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ST2329
2-bit dual supply level translator without direction control pin
Features

90 Mbps (max) data rate when driven by a totem pole driver 8 Mbps (max) data rate when driven by an open drain pole driver Bidirectional level translation without direction control pin Wide VL voltage range of 1.65 to 3.6 V Wide VCC voltage range of 1.80 to 5.5 V Power down mode feature - when either supply is off, all I/Os are in high impedance Low quiescent current (max 12 A) Able to be driven by totem pole and open drain drivers 5.5 V tolerant enable pin ESD performance on all pins: 2 kV HBM Small package and footprint QFN10L (1.8 x 1.4 mm) package QFN10L (1.8 x 1.4 mm)
Description
The ST2329 is a 2-bit dual supply level translator which provides the level shifting capability to allow data transfer in a multi-voltage system. Externally applied voltages, VCC and VL, set the logic levels on either side of the device. It utilizes transmission gate-based design that allows bidirectional level translation without a control pin. The ST2329 accepts a VL from 1.65 to 3.6 V and VCC from 1.80 to 5.5 V, making it ideal for data transfer between low-voltage ASICs/PLD and higher voltage systems. This device has a tri-state output mode which can be used to disable all I/Os. The ST2329 supports power down mode when VCC is grounded/floating and the device is disabled via the OE pin.
Applications

Low voltage system level translation Mobile phones and other mobile devices I2C level translation UART level translation
Table 1.
Device summary
Order code ST2329QTR Package QFN10L (1.8 x 1.4 mm) Packaging Tape and reel (3000 parts per reel)
May 2008
Rev 4
1/21
www.st.com 21
Contents
ST2329
Contents
1 Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 1.2 Pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 3
Device block diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Supplementary notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1 3.2 3.3 3.4 Driver requirement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Load driving capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Power off feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Truth table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4
Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4.1 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5.1 5.2 AC characteristics (device driven by open drain driver) . . . . . . . . . . . . . . . 9 AC characteristics (device driven by totem pole driver ) . . . . . . . . . . . . . 11
6 7 8
Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2/21
ST2329
Pin settings
1
1.1
Pin settings
Pin connection
Figure 1. Pin connection (top through view)
V L V CC
10 I/O VL1 I/O 1
9 8 I/O VCC1
VL2
2
7
I/O
VCC2
OE
3
4
5
6
GND
NC
NC
CS00011
1.2
Pin description
Table 2. Pin description
Pin number 1 2 3 4 5 6 7 8 9 10 Symbol I/OVL1 I/OVL2 OE NC NC GND I/OVCC2 I/OVCC1 VCC VL Name and function Data input/output Data input/output Output enable No connection No connection Ground Data input/output Data input/output Supply voltage Supply voltage
3/21
Device block diagrams
ST2329
2
Device block diagrams
Figure 2. ST2329 block diagram
ST2329 EN
VL
OE
VL
VCC
I/O VL
I/O VCC
GND
GND
= one-shot circuit
* ST2329 has 2 channels. For simplicity, the above diagram shows only 1 channel. * When OE is Low, all I/Os are in High-Impedance mode.
Figure 3.
Application block diagram
VL
0.1 F 0.1 F 1 F
V CC VL V CC
VL System Controller
VL VL
VCC VCC
I/O VL1 I/O VL2
I/O VCC1 I/O VCC2
VCC System Controller
OE
4/21
ST2329
Supplementary notes
3
3.1
Supplementary notes
Driver requirement
The ST2329 may be driven by an open drain or totem pole driver and the nature of the device's output is "open drain". It must not be used to drive a pull-down resistor since the impedance of the output at HIGH state depends on the pull-up resistor placed at the I/Os. As the device has pull-up resistors on both the I/OVCC and I/OVL ports, the user needs to ensure that the driver is able to sink the required amount of current. For example, if the settings are VCC = 5.5 V, VL = 4.3 V and the pull-up resistor is 10 k then the driver must be , able to sink at least (5.5 V/10 k) + (4.3 V /10 k) = 1 mA and still meet the VIL requirements of the ST2329.
3.2
Load driving capability
To support the open drain system, the one-shot transistor is turned on only during state transition at the output side. When it drives a high state, after the one-shot transistor is turned off, only the pull-up resistor is able to maintain the state. In this case, the resistive load is not recommended. During the translation from VCC side to VL side, the oscillation might be triggered when the signal is reflected back as a glitch. This is caused by the architecture of the device (autodirection). When using the ST2329, care need to be taken in the PCB data-track design and output loading. It is recommended that the load is less than 25 pf.
3.3
Power off feature
In some applications where it might be required to turn off one of the power supplies powering up the level translator, the user may turn off the VCC only when the OE pin is low (device is disabled). There will be no current consumption in VL due to floating gates or other causes, and the I/Os are in a high-impedance state in this mode.
3.4
Truth table
Table 3. Truth table
Enable OE H
(1)
Bidirectional Input/Output I/OVCC H
(2)
I/OVL H(1) L Z(3)
H(1) L
1. High level VL power supply referred 2. High level VCC power supply referred 3. Z = high impedance
L Z
(3)
5/21
Maximum rating
ST2329
4
Maximum rating
Stressing the device above the rating listed in the "Absolute maximum ratings" table may cause permanent damage to the device. These are stress ratings only, and operation of the device at these or any other conditions above those indicated in the operating sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant quality documents. Table 4.
Symbol VL VCC VOE VI/OVL VI/OVCC IIK II/OVL II/OVCC Supply voltage Supply voltage DC control input voltage DC I/OVL input voltage (OE = GND or VL) DC I/OVCC input voltage (OE = GND or VL) DC input diode current DC output current DC output current
Absolute maximum ratings
Parameter Value -0.3 to 4.6 -0.3 to 6.5 -0.3 to 6.5 -0.3 to VL + 0.3 -0.3 to VCC + 0.3 -20 25 258 40 500 -65 to 150 300 2 Unit V V V V V mA mA mA mA mW
oC oC
ISCTOUT Short circuit duration, continuous PD TSTG TL ESD Power dissipation(1) Storage temperature Lead temperature (10 seconds) Electrostatic discharge protection (HBM)
kV
1. 500mW: 65 oC derated to 300 mW by 10W/oC: 65 oC to 85 oC
4.1
Recommended operating conditions
Table 5.
Symbol VL VCC(1) VOE VI/OVL VI/OVCC Top dt/dV Supply voltage Supply voltage Input voltage (OE output enable pin, VL power supply referred) I/OVL voltage I/OVCC voltage Operating temperature Input rise and fall time (for 45 Mbps operation)
Recommended operating conditions
Parameter Min 1.65 1.8 0 0 0 -40 0 Typ Max 3.6 5.5 3.6 VL VCC 85 1 Unit V V V V V
oC
ns/V
1. VCC must be greater than VL.
6/21
ST2329
Electrical characteristics
5
Table 6.
Electrical characteristics
DC characteristics (over recommended operating conditions unless otherwise noted. All typical values are at TA = 25 oC)
Test conditions Value TA = 25 oC VL 1.65 2.0 VIHL High level input voltage (I/OVL) 2.5 3.0 3.6 1.65 2.0 VILL Low level input voltage (I/OVL) 2.5 3.0 3.6 1.8 2.5 VIHC High level input voltage (I/OVCC) 1.65 to VCC 3.0 3.6 4.3 5.5 Low level input voltage (I/OVCC) 1.65 2.5 2.7 3.6 1.65 2.0 VIH-OE High level input voltage (OE) 2.5 3.0 3.6 1.65 2.0 VIL-OE Low level input voltage (OE) 2.5 3.0 3.6 VL to 5.5 VL to 5.5 3 - 5.5 3.6 - 5.5 1.0 1.2 1.4 1.6 2.0 0.33 0.40 0.50 0.60 0.75 1.6 2.3 2.7 3.3 3.5 4.2 VL to 5.5 VL to 5.5 VCC Min 1.4 1.6 2.0 2.4 2.8 0.3 0.4 0.5 0.6 0.8 1.6 2.3 2.7 3.3 3.5 4.2 0.3 V 0.5 1.0 1.2 1.4 1.6 2.0 0.33 0.40 0.50 0.60 0.75 V V V Typ Max Min 1.4 1.6 2.0 2.4 2.8 0.3 0.4 0.5 0.6 0.8 V V Max -40 to 85 oC Unit
Symbol
Parameter
VILC
7/21
Electrical characteristics Table 6.
ST2329
DC characteristics (over recommended operating conditions unless otherwise noted. All typical values are at TA = 25 oC) (continued)
Test conditions Value TA = 25 oC VL Low level output voltage (I/OVL) Low level output voltage (I/OVCC) Control input leakage current (OE) High impedance leakage current (I/OVL, I/OVCC) Quiescent supply current VCC Quiescent supply current VL High impedance quiescent supply current VCC High impedance quiescent supply current VL VCC Min Typ Max 0.40 Min Max 0.40 V -40 to 85 oC Unit
Symbol
Parameter
VOLL
IO = 1.0 mA 1.65 to VL to 5.5 3.6 I/OVCC 0.15 V IO = 1.0 mA 1.65 to VL to 5.5 3.6 I/OVL 0.15 V V = GND or 1.65 to VL to 5.5 OE VL 3.6
VOLC
0.40
0.40
V
IOE
0.1
0.1
A
IIO_LKG
1.65 to VL to 5.5 OE = GND 3.6 only pull-up 1.65 to VL to 5.5 resistor 3.6 connected to I/O only pull-up 1.65 to VL to 5.5 resistor 3.6 connected to I/O OE = GND; 1.65 to VL to 5.5 only pull-up 3.6 resistor connected to I/O OE = GND; 1.65 to only pull-up VL to 5.5 3.6 resistor connected to I/O
0.1
0.1
A
IQVCC
3
5
12
A
IQVL
0.01
0.1
1
A
IZ-VCC
3
5
12
A
IZ-VL
0.01
0.1
1
A
8/21
ST2329
Electrical characteristics
5.1
Table 7.
AC characteristics (device driven by open drain driver)
AC characteristics - test conditions: VL = 1.65 -1.8 V (load CL = 15 pF; Rup = 4.7 k; driver tr = tf 2 ns) over temperature range -40 C to 85 C
VCC = 1.8 -2.5 V VCC = 2.7 -3.6 V Min Max 50 3 6 5 5 5 5 7 10 40 2.5 Parameter Min Max 80 3 7 4 tPLH tPHL tPLH tPHL En Dis 5 5 5 5 10 40 1.6 VCC = 4.3 - 5.5 V Min Max 30 3 6 5 5 5 5 7 10 40 4 ns ns ns ns ns ns ns ns ns ns MHz Unit
Symbol
tRVCC tFVCC tRVL tFVL
Rise time I/OVCC Fall time I/OVCC Rise time I/OVL Fall time I/OVL
Propagation delay time tI/OVL-VCC I/OVL-LH to I/OVCC-LH I/OVL-HL to I/OVCC-HL Propagation delay time tI/OVCC-VL I/OVCC-LH to I/OVL-LH I/OVCC-HL to I/OVL-LH tPZL tPZH tPLZ tPHZ DR Output enable and disable time Data rate(1)
1. The data rate is guaranteed based on the condition that the output I/O signal rise/fall time is less than 15% of the input I/O signal period; the input I/O signal is at 50% duty cycle and the output I/O signal duty cycle deviation not less than 30%.
Table 8.
AC characteristics - test conditions: VL = 2.5 -2.7 V (load CL = 15 pF; Rup = 4.7 k; driver tr = tf 2 ns) over temperature range -40 C to 85 C
VCC = 2.7
-3.6 V
Max 70 3 5 3
VCC = 4.3 - 5.5 V Unit Min Max 40 3 5 3 2 3 3 4 ns ns ns ns ns ns ns ns
Symbol tRVCC tFVCC tRVL tFVL tI/OVL-VCC
Parameter Min Rise time I/OVCC Fall time I/OVCC Rise time I/OVL Fall time I/OVL Propagation delay time I/OVL-LH to I/OVCC-LH I/OVL-HL to I/OVCC-HL Propagation delay time I/OVCC-LH to I/OVL-LH I/OVCC-HL to I/OVL-LH tPLH tPHL tPLH tPHL
2 3 3 4
tI/OVCC-VL
9/21
Electrical characteristics
ST2329
Table 8.
AC characteristics - test conditions: VL = 2.5 -2.7 V (load CL = 15 pF; Rup = 4.7 k; driver tr = tf 2 ns) over temperature range -40 C to 85 C
VCC = 2.7
-3.6 V
Max 6 40 2.5
VCC = 4.3 - 5.5 V Unit Min Max 6 40 3.2 ns ns MHz
Symbol
Parameter Min En Dis
tPZL tPZH tPLZ tPHZ DR
Output enable and disable time Data rate
(1)
1. The data rate is guaranteed based on the condition that the output I/O signal rise/fall time is less than 15% of the input I/O signal period; the input I/O signal is at 50% duty cycle and the output I/O signal duty cycle deviation not less than 30%.
Table 9.
AC characteristics - test conditions: VL = 2.7 -3.6 V (load CL = 15 pF; Rup = 4.7 k; driver tr = tf 2 ns) over temperature range -40 C to 85 C
VCC = 4.3 - 5.5 V Parameter Min Max 55 3 4 3 tPLH tPHL tPLH tPHL En Output enable and disable time Dis Data rate(1) 40 2.8 ns MHz 2 4 4 4 6 ns ns ns ns ns ns ns ns ns Rise time I/OVCC Fall time I/OVCC Rise time I/OVL Fall time I/OVL Propagation delay time I/OVL-LH to I/OVCC-LH I/OVL-HL to I/OVCC-HL Propagation delay time I/OVCC-LH to I/OVL-LH I/OVCC-HL to I/OVL-HL Unit
Symbol tRVCC tFVCC tRVL tFVL tI/OVL-VCC
tI/OVCC-VL tPZL tPZH tPLZ tPHZ DR
1. The data rate is guaranteed based on the condition that the output I/O signal rise/fall time is less than 15% of the input I/O signal period; the input I/O signal is at 50% duty cycle and the output I/O signal duty cycle deviation not less than 30%.
10/21
ST2329
Electrical characteristics
5.2
Table 10.
AC characteristics (device driven by totem pole driver )
AC characteristics (test conditions: VL = 1.65 -1.8 V (load CL = 15 pF; Rup = 10 k; driver tr=tf 2 ns) over temperature range -40 C to 85 C)
VCCB = 1.8 - 2.5 V VCCB = 2.7 - 3.6 V VCCB = 4.3 - 5.5 V Parameter Min Max 7 7 6 4 tPLH tPHL tPLH tPHL En Dis 6 5 6 4.5 10 40 12 Min Max 3 3 4 4 5 5 5 5.2 10 40 32 Min Max 4 3 5 4 4 5 4 7 10 40 32 ns ns ns ns ns ns ns ns ns ns MHz Rise time I/OVCC Fall time I/OVCC Rise time I/OVL Fall time I/OVL Propagation delay time I/OVL-LH to I/OVCC-LH I/OVL-HL to I/OVCC-HL Propagation delay time I/OVCC-LH to I/OVL-LH I/OVCC-HL to I/OVL-HL Unit
Symbol tRVCC tFVCC tRVL tFVL tI/OVLVCC
tI/OVCCVL
tPZL tPZH Output enable and tPLZ tPHZ disable time DR Data rate(1)
1. The data rate is guaranteed based on the condition that the output I/O signal rise/fall time is less than 15% of the input I/O signal period; the input I/O signal is at 50% duty cycle and the output I/O signal duty cycle deviation not less than 30%.
Table 11.
AC characteristics (test conditions: VL = 2.5 -2.7 V (load CL = 15 pF; Rup = 10 k; driver tr = tf 2 ns) over temperature range -40 C to 85 C)
VCC = 2.7
- 3.6 V
Max 6 3 5 3
VCC = 4.3 - 5.5 V Unit Min Max 4 3 5 3 3 4 2.1 ns ns ns ns ns ns ns ns
Symbol
Parameter Min
tRVCC tFVCC tRVL tFVL tI/OVL-VCC
Rise time I/OVCC Fall time I/OVCC Rise time I/OVL Fall time I/OVL Propagation delay time I/OVCC-LH to I/OVL-LH I/OVCC-HL to I/OVL-HL Propagation delay time I/OVCC-LH to I/OVL-LH I/OVCC-HL to I/OVL-HL tPLH tPHL tPLH
3.5 4 2.5
tI/OVCC-VL
tPHL
4
4 ns
11/21
Electrical characteristics Table 11.
ST2329
AC characteristics (test conditions: VL = 2.5 -2.7 V (load CL = 15 pF; Rup = 10 k; driver tr = tf 2 ns) over temperature range -40 C to 85 C) (continued)
VCC = 2.7
-3.6 V
Max 6 40 45
VCC = 4.3 -5.5 V Unit Min Max 6 40 45 ns ns MHz
Symbol
Parameter Min En Dis
tPZL tPZH tPLZ tPHZ DR
Output enable and disable time Data rate
(1)
1. The data rate is guaranteed based on the condition that the output I/O signal rise/fall time is less than 15% of the input I/O signal period; the input I/O signal is at 50% duty cycle and the output I/O signal duty cycle deviation not less than 30%.
Table 12.
AC characteristics (test conditions: VL = 2.7 -3.6 V (load CL = 15 pF; Rup = 10 k; driver tr = tf 2 ns) over temperature range -40 C to 85 C)
VCC = 4.3 -5.5 V Parameter Min Max 5 3 4 3 tPLH tPHL tPLH 2.5 4 2 ns ns tPHL 4 ns 6 40 45 ns ns MHz ns ns ns ns ns ns ns Rise time I/OVCC Fall time I/OVCC Rise time I/OVL Fall time I/OVL Propagation delay time I/OVL-LH to I/OVCC-LH I/OVL-HL to I/OVCC-HL Propagation delay time I/OVCC-LH to I/OVL-LH I/OVCC-HL to I/OVL-HL Unit
Symbol tRVCC tFVCC tRVL tFVL tI/OVL-VCC
tI/OVCC-VL
tPZL tPZH tPLZ tPHZ DR
Output enable and disable En time Dis Data rate(1)
1. The data rate is guaranteed based on the condition that the output I/O signal rise/fall time is less than 15% of the input I/O signal period; the input I/O signal is at 50% duty cycle and the output I/O signal duty cycle deviation not less than 30%.
12/21
ST2329 Figure 4. Test circuit
VL 10 k Pulse generator VL VCC VCC 10 k
Electrical characteristics
VL VCC OPEN GND
D.U.T
CL
CS14021
Table 13.
Test
Test circuit switches
Switch Driving I/OVL Driving I/OVCC Open Open drain driving Open
tPLH, tPHL
Open
13/21
Waveforms
ST2329
6
Waveforms
Table 14.
Symbol
Waveform symbol value
Driving I/OVL 1.8 V VL VCC 2.5 V VL 50% VL 50% VCC VOL +0.15V VOH -0.15V 3.3 V VL VCC 5.0 V VL 50% VL 50% VCC VOL +0.3V VOH -0.3V Driving I/OVCC 1.8 V VL VCC 2.5 V VCC 50% VCC 50% VL VOL +0.15V VOH -0.15V 3.3V VL VCC 5.0 V VCC 50% VCC 50% VL VOL +0.3V VOH -0.3V
VIH VIM VOM VX VY
Figure 5.
Waveform - propagation delay (f = 1 MHz; 50% duty cycle)
14/21
ST2329 Figure 6.
Waveforms Waveform - output enable and disable time (f = 1 MHz; 50% duty cycle)
15/21
Package mechanical data
ST2329
7
Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK(R) packages. These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com. Figure 7. QFN10L (1.8 x 1.4 mm) package outline
7936408 Rev.D
16/21
ST2329 Table 15. QFN10L (1.8 x 1.4 mm) mechanical data
Millimeters Symbol Typ A A1 A3 b D E e L 0.50 0.02 0.127 0.20 1.80 1.40 0.40 0.40 0.35 0.15 1.75 1.35 Min 0.45 0
Package mechanical data
Max 0.55 0.05
0.25 1.85 1.45
0.45
Figure 8.
QFN10L (1.8 x 1.4 mm) footprint recommendation
17/21
Package mechanical data
ST2329
Figure 9.
QFN10L (1.8 x 1.4 mm) carrier tape
Figure 10.
QFN10L (1.8 x 1.4 mm) reel information - back view
18/21
ST2329 Figure 11.
Package mechanical data QFN10L (1.8 x 1.4 mm) reel information - front side
19/21
Revision history
ST2329
8
Revision history
Table 16.
Date 15-May-2007 01-Oct-2007
Document revision history
Revision 1 2 Initial release Modified title, added pin description and complete electrical characteristics Updated Figure 4: Test circuit on page 13, Figure 7: QFN10L (1.8 x 1.4 mm) package outline on page 16 and Figure 8: QFN10L (1.8 x 1.4 mm) footprint recommendation on page 17 , minor text changes. Updated data rate values and added paragraph on load driving capability (Section 3.2). Changes
31-Oct-2007
3
07-May-2008
4
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ST2329
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