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RD74LVC573B
Octal D-type Transparent Latches with 3-state Outputs
REJ03D0209-0100Z Rev.1.00 Apr.15.2004
Description
The RD74LVC573B has eight D type latches with three state outputs in a 20-pin package. When the latch enable input is high, the Q outputs will follow the D inputs. When the latch enable goes low, data at the D inputs will be retained at the outputs until latch enable returns high again. When a high logic level is applied to the output control input, all outputs go to a high impedance state, regardless of what signals are present at the other inputs and the state of the storage elements. Low voltage and high-speed operation is suitable at the battery drive product (note type personal computer) and low power consumption extends the life of a battery for long time operation.
Features
* * * * * * VCC = 1.65 V to 5.5 V All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V) All outputs VOUT (Max.) = 5.5 V (@VCC = 0 V or output off state) Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25C) Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25C) High output current 4 mA (@VCC = 1.65 V) 8 mA (@VCC = 2.3 V) 12 mA (@VCC = 2.7 V) 24 mA (@VCC = 3.0 V to 5.5 V) * Ordering Information
Part Name RD74LVC573BFPEL RD74LVC573BTELL Package Type Package Code Package Abbreviation FP T Taping Abbreviation (Quantity) EL (2,000 pcs / Reel) ELL (2,000 pcs / Reel)
SOP-20 pin (JEITA) FP-20DAV TSSOP-20 pin TTP-20DAV
Function Table
Inputs OC L L L H H: L: X: Z: Q0 : LE H H L X D H L X X Output Q H L Q0 Z
High level Low level Immaterial High impedance Level of Q before the indicated steady input conditions were established.
Rev.1.00, Apr.15.2004, page 1 of 9
RD74LVC573B
Pin Arrangement
OC 1 1D 2 2D 3 3D 4 4D 5 5D 6 6D 7 7D 8 8D 9 GND 10
DQ DQ DQ DQ DQ DQ DQ DQ
20 VCC 19 1Q 18 2Q 17 3Q 16 4Q 15 5Q 14 6Q 13 7Q 12 8Q 11 LE
(Top view)
Rev.1.00, Apr.15.2004, page 2 of 9
RD74LVC573B
Absolute Maximum Ratings
Item Supply voltage Input diode current Input voltage Output diode current Output voltage Output current VCC, GND current / pin Storage temperature Symbol VCC IIK VI IOK VO IO ICC or IGND Tstg Ratings -0.5 to 7.0 -50 -0.5 to 7.0 -50 50 -0.5 to VCC+0.5 -0.5 to 7.0 50 100 -65 to +150 Unit V mA V mA V mA mA C Conditions VI = -0.5 V VO = -0.5 V VO = VCC+0.5 V Output "H" or "L" Output "Z" or VCC: OFF
Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of which may be realized at the same time.
Recommended Operating Conditions
Item Supply voltage Input/output voltage Symbol VCC VI VO Ta IOH Ratings 1.5 to 5.5 1.65 to 5.5 0 to 5.5 0 to VCC 0 to 5.5 -40 to 85 -4 -8 -12 -24 4 8 12 24 20 10 Unit V V Conditions Data hold At operation OC, LE, D Output "H" or "L" Output "Z" or VCC: OFF VCC = 1.65 V VCC = 2.3 V VCC = 2.7 V VCC = 3.0 V to 5.5 V VCC = 1.65 V VCC = 2.3 V VCC = 2.7 V VCC = 3.0 V to 5.5 V VCC = 1.65 V to 2.7 V VCC = 3.0 V to 5.5 V
Operating temperature Output current
C mA
IOL
mA
Input rise / fall time*1
tr, tf
ns/V
Notes: 1. This item guarantees maximum limit when one input switches.
Waveform: Refer to test circuit of switching characteristics.
Rev.1.00, Apr.15.2004, page 3 of 9
RD74LVC573B
Electrical Characteristics
Ta = -40 to 85C Item Input voltage Symbol VIH VCC (V) 1.65 to 1.95 2.3 to 2.7 2.7 to 3.6 4.5 to 5.5 1.65 to 1.95 2.3 to 2.7 2.7 to 3.6 4.5 to 5.5 1.65 to 5.5 1.65 2.3 2.7 3.0 3.0 4.5 1.65 to 5.5 1.65 2.3 2.7 3.0 4.5 0 to 5.5 0 2.7 to 5.5 2.7 to 3.6 2.7 to 5.5 2.7 to 3.6 Min VCCx0.65 1.7 2.0 VCCx0.7 -- -- -- -- VCC-0.2 1.2 1.7 2.2 2.4 2.2 3.8 -- -- -- -- -- -- -- -- -- -- -- -- Max -- -- -- -- VCCx0.35 0.7 0.8 VCCx0.3 -- -- -- -- -- -- -- 0.2 0.45 0.7 0.4 0.55 0.55 5.0 5.0 5.0 5.0 5.0 500 Unit V Test Conditions
VIL
Output voltage
VOH
V
IOH = -100 A IOH = -4 mA IOH = -8 mA IOH = -12 mA IOH = -24 mA IOL = 100 A IOL = 4 mA IOL = 8 mA IOL = 12 mA IOL = 24 mA
VOL
Input current Output leak current Off state output current Quiescent supply current
IIN IOFF IOZ ICC ICC
A A A A A A
VIN = 5.5 V or GND VIN / VOUT = 5.5 V VIN = VCC or GND VOUT = 5.5 V or GND VIN = 3.6 to 5.5 V VIN = VCC or GND VIN = one input at (VCC-0.6)V, other inputs at VCC or GND
Rev.1.00, Apr.15.2004, page 4 of 9
RD74LVC573B
Switching Characteristics
Ta = -40 to 85C Item Propagation delay time Symbol VCC (V) tPLH tPHL 1.80.15 2.50.2 2.7 3.30.3 5.00.5 1.80.15 2.50.2 2.7 3.30.3 5.00.5 1.80.15 2.50.2 2.7 3.30.3 5.00.5 1.80.15 2.50.2 2.7 3.30.3 5.00.5 1.80.15 2.50.2 2.7 3.30.3 5.00.5 1.80.15 2.50.2 2.7 3.30.3 5.00.5 1.80.15 2.50.2 2.7 3.30.3 5.00.5 1.80.15 2.50.2 2.7 3.30.3 5.00.5 3.3 3.3 Min 1.0 1.0 1.0 1.5 1.0 1.0 1.0 1.0 2.0 1.0 1.0 1.0 1.0 1.5 1.0 1.0 1.0 1.0 1.6 1.0 6.0 4.0 2.0 2.0 2.0 4.0 2.0 1.5 1.5 1.5 9.0 4.0 3.3 3.3 3.3 -- -- -- -- -- -- -- Typ -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 4.0 8.0 Max 19.1 9.6 7.7 6.9 5.4 22.8 10.5 8.4 7.7 6.2 20.0 10.5 8.5 7.5 6.0 19.3 7.8 7.0 6.5 5.5 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 1.0 1.0 -- -- Unit ns From (Input) D To (Output) Q
tPLH tPHL
ns
LE
Q
Output enable time
tZH tZL
ns
OC
Q
Output disable time
tHZ tLZ
ns
OC
Q
Setup time
tsu
ns
Hold time
th
ns
Pulse width
tw
ns
Between output pins skew*1
tOSLH tOSHL
ns
Input capacitance Output capacitance Note:
CIN CO
pF pF
1. This parameter is characterized but not tested.
tosLH = | tPLHm - tPLHn|, tosHL = | tPHLm - tPHLn|
Rev.1.00, Apr.15.2004, page 5 of 9
RD74LVC573B
Operating Characteristics
Ta = 25C Item Power dissipation capacitance Symbol CPD VCC (V) 1.8 2.5 3.3 5.0 Min Typ 27 28 30 35 Max Unit pF Test Conditions f = 10 MHz
Test Circuit
VCC VCC Output OC Input RL 1Q to 8Q CL RL S1 OPEN
VTT
Pulse generator Zout = 50 Input
See Function Table
GND
1D to 8D Symbol t PLH / t PHL LE t su / t h / t w t ZH/ t HZ t ZL / t LZ
S1 OPEN GND
VTT
Pulse generator Zout = 50
Note:
1. CL includes probe and jig capacitance.
Waveforms - 1
tr Input LE 10 % tr Input D 90 % 10 % t PLH Output Q Vref 90 % 90 % Vref 10 % tf 90 % 10 % t PHL Vref VOL Vref GND VIH GND VOH tf VIH
Note:
Input waveform: PRR = 10 MHz, duty cycle 50%.
Rev.1.00, Apr.15.2004, page 6 of 9
RD74LVC573B
Waveforms - 2
tr Input LE 90 % 10 % tr 90 % Input D Vref 10 % t PLH Output Q Vref 90 % Vref 10 % t PHL Vref VOL tf VIH
GND VIH
GND VOH
Note:
Input waveform: PRR = 10 MHz, duty cycle 50%.
Waveforms - 3
tr Input LE 10 % 90 % 90 % Vref Vref tw ts Vref 10 % th VIH Input D Vref GND tf VIH GND
Note:
Input waveform: PRR = 10 MHz, duty cycle 50%
Rev.1.00, Apr.15.2004, page 7 of 9
RD74LVC573B
Waveforms - 4
tf Input OC 90 % Vref 10 % t ZL Waveform - A t ZH Waveform - B Vref Vref t HZ VOH - V tr 90 % Vref 10 % t LZ VIH GND 1/2 V TT VOL + V VOL VOH GND INPUTS VIH VCC VCC 2.7 V 2.7 V VCC
VCC (V) VCC = 1.80.15 V VCC = 2.50.2 V VCC = 2.7 V VCC = 3.30.3 V VCC = 5.00.5 V
tr/tf 2 ns 2 ns 2.5 ns 2.5 ns 2.5 ns
Vref 1/2 VCC 1/2 VCC 1.5 V 1.5 V 1/2 VCC
VTT 2x VCC 2x VCC 6V 6V 2x VCC
CL 30 pF 30 pF 50 pF 50 pF 50 pF
RL 1.0 k 500 500 500 500
V 0.15 V 0.15 V 0.3 V 0.3 V 0.3 V
Notes:
1. Input waveform: PRR = 10 MHz, duty cycle 50% 2. Waveform - A shows input conditions such that the output is "L" level when enable by the output control. 3. Waveform - B shows input conditions such that the output is "H" level when enable by the output control.
Rev.1.00, Apr.15.2004, page 8 of 9
RD74LVC573B
Package Dimensions
As of January, 2003
12.6 13 Max
20
Unit: mm
11
5.5
1
10
2.20 Max
*0.20 0.05
0.20 7.80 + 0.30 -
0.80 Max
1.15
1.27
*0.40 0.06
0.10 0.10
0 - 8
0.70 0.20
0.15
0.12 M
*Ni/Pd/Au plating
Package Code JEDEC JEITA Mass (reference value)
FP-20DAV -- Conforms 0.31 g
As of January, 2003
Unit: mm
6.50 6.80 Max 20 11
1
10 0.65 1.0 6.40 0.20 0.65 Max
*0.20 0.05
0.13 M
4.40
*0.15 0.05
1.10 Max
0.10
0.07 +0.03 -0.04
0 - 8
0.50 0.10
*Ni/Pd/Au plating
Package Code JEDEC JEITA Mass (reference value)
TTP-20DAV -- -- 0.07 g
Rev.1.00, Apr.15.2004, page 9 of 9
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