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 IDT74ALVC164245 16-BIT 3.3V TO 5V LEVEL SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
CMOS 16-BIT 3.3V TO 5V LEVEL SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS
* 0.5 MICRON CMOS Technology * Typical tSK(o) (Output Skew) < 250ps * ESD > 2000V per MIL-STD-883, Method 3015; > 200V using machine model (C = 200pF, R = 0) * VCCA = 2.7V to 3.6V * VCCB = 5V 0.5V * CMOS power levels (0.4 W typ. static) * Rail-to-Rail output swing for increased noise margin * Available in SSOP, TSSOP, and TVSOP packages
IDT74ALVC164245
FEATURES:
DESCRIPTION:
This 16-bit 3.3V to 5V level shifting transceiver is manufactured using advanced dual metal CMOS technology. The ALVC164245 contains two separate supply rails; B port has VCCB, which is set at 5V, and A port has VCCA, which is set to operate at 3.3V. This allows for translation from a 3.3V to 5V environment and vice-versa. This device is designed for asynchronous communication between data buses. The ALVC164245 has been designed with a 24mA output driver. This driver is capable of driving a moderate to heavy load while maintaining speed performance.
DRIVE FEATURES:
* High Output Drivers: 24mA * Suitable for heavy loads
APPLICATIONS:
* Mixed 3.3V and 5V High Speed Systems * 5V PCI Interface to 3.3V PC Bus Structures * Telecommunication Legacy Systems with transitions from 5V to 3.3V
FUNCTIONAL BLOCK DIAGRAM
1D IR
1 48
2D IR 1O E
24
25 36 13 35
2O E
1A 1
47 2 46
2A1 1B 1 2A2
3
2B 1
1A 2 1B 2
14
2B 2 2A 3
33 16
44
1A 3
5
1B 3
2B3
3.3V Port
43 6
3.3V Port
1A 4
2A 4
32 17 30 19 29
5V Port
1B 4
41
1A 5
8
2A5
1B 5 1A6
40
2B 5
2A 6
9 38 11
1B6 2A 7 1B7
27
20
2B 6
1A 7
22
2B 7
1A 8
37
2A 8
12
26
1B 8
23
2B8
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
1
(c) 2003 Integrated Device Technology, Inc.
FEBRUARY 2003
DSC-4477/4
5V Port
2B4
IDT74ALVC164245 16-BIT 3.3V TO 5V LEVEL SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
PIN CONFIGURATION
1D IR 1B 1 1B 2
ABSOLUTE MAXIMUM RATINGS(1)
Symbol VTERM(2) Description Terminal Voltage with Respect to GND Terminal Voltage with Respect to GND Storage Temperature DC Output Current Continuous Clamp Current, VI < 0 or VI > VCC Continuous Clamp Current, VO < 0 Continuous Current through each VCC or GND Max -0.5 to +6 -0.5 to +6 -65 to +150 -50 to +50 50 -50 100 Unit V V C mA mA mA mA
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
1O E 1A 1 1A 2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
VTERM(3) TSTG IOUT IIK IOK ICC ISS
G ND
1B 3 1B 4
GND
1A 3 1A 4
(5V) VCCB
1B 5 1B 6
VCCA (3.3V)
1A 5 1A 6
G ND
1B 7 1B 8 2B 1 2B 2
GND
1A 7 1A 8 2A 1 2A 2
NOTES: 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. 2. VCC terminals. 3. All terminals except VCC.
CAPACITANCE (TA = +25C, F = 1.0MHz, VCCA = 3.3V)
Symbol CIN CI/O Parameter(1) A Port Input Capacitance A Port I/O Capacitance Conditions VIN = 0V VIN = 0V Typ. 6.5 8.5 Max. -- -- Unit pF pF
GND
2B 3 2B 4
GND
2A 3 2A 4
(5V) VCCB
2B 5 2B 6
VCCA (3.3V)
2A 5 2A 6
NOTE: 1. As applicable to the device type.
G ND
2B 7 2B 8 2DIR
GND
2A 7 2A 8 2O E
CAPACITANCE (TA = +25C, F = 1.0MHz, VCCB = 5V)
Symbol CIN CI/O Parameter(1) B Port Input Capacitance B Port I/O Capacitance Conditions VIN = 0V VIN = 0V Typ. 6.5 6.5 Max. -- -- Unit pF pF
SSOP/ TSSOP/ TVSOP TOP VIEW
NOTE: 1. As applicable to the device type.
PIN DESCRIPTION
Pin Names xOE(1) xDIR(1) xAx xBx Description Output Enable Inputs (Active LOW) Direction Output Controls Port A Inputs or 3-State Outputs Port B Inputs or 3-State Outputs
FUNCTION TABLE (EACH 8-BIT SECTION)(1)
Inputs xOE L L H xDIR L H X Outputs Bus B Data to Bus A Bus A Data to Bus B High Z State
NOTE: 1. All control inputs are powered off VCCA.
NOTE: 1. H = HIGH Voltage Level L = LOW Voltage Level X = Don't Care Z = High Impedance
2
IDT74ALVC164245 16-BIT 3.3V TO 5V LEVEL SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE (B PORT)(1)
Following Conditions Apply Unless Otherwise Specified: Operating Condition: TA = -40C to +85C
Symbol VIH VIL IIH IIL IOZH IOZL VH ICCL ICCH ICCZ ICC Parameter Input HIGH Voltage Level Input LOW Voltage Level Input HIGH Current Input LOW Current High Impedance Output Current (3-State Output pins) Input Hysteresis Quiescent Power Supply Current VCCB = 4.5V VCCB = 5.5V VIN = GND or VCCB One input at 3.4V, other inputs at VCCB or GND VCCB = 4.5V to 5.5V VCCB = 4.5V to 5.5V VCCB = 5.5V VCCB = 5.5V VCCB = 5.5V VI = VCC VI = GND VO = VCC VO = GND Test Conditions Min. 2 -- -- -- -- -- -- -- Typ.(2) -- -- -- -- -- -- 100 0.1 Max. -- 0.8 5 5 10 10 -- 40 mV A Unit V V A A A
Quiescent Power Supply Current Variation
--
--
750
A
NOTES: 1. VCCA = 2.7V to 3.6V. 2. Typical values are at VCC = 5V, +25C ambient.
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE (A PORT)(1,2)
Following Conditions Apply Unless Otherwise Specified: Operating Condition: TA = -40C to +85C
Symbol VIH VIL IIH IIL IOZH IOZL VH ICCL ICCH ICCZ ICC Parameter Input HIGH Voltage Level Input LOW Voltage Level Input HIGH Current Input LOW Current High Impedance Output Current (3-State Output pins) Input Hysteresis Quiescent Power Supply Current VCCA = 3.3V VCCA = 3.6V VIN = GND or VCCA One input at VCCA - 0.6V, other inputs at VCCA or GND VCCA = 2.7V to 3.6V VCCA = 2.7V to 3.6V VCCA = 3.6V VCCA = 3.6V VCCA = 3.6V VI = VCC VI = GND VO = VCC VO = GND
Test Conditions
Min. 2 -- -- -- -- -- -- --
Typ.(3) -- -- -- -- -- -- 100 0.1
Max. -- 0.8 5 5 10 10 -- 40
Unit V V A A A mV A
Quiescent Power Supply Current Variation
--
--
750
A
NOTES: 1. VCCB = 5V 0.5V. 2. Control inputs xDIR, OE are supplied from VCCA. 3. Typical values are at VCC = 3.3V, +25C ambient.
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IDT74ALVC164245 16-BIT 3.3V TO 5V LEVEL SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
OUTPUT DRIVE CHARACTERISTICS, VCCA = 3.3V 0.3V (A PORT)
Symbol VOH Parameter Output HIGH Voltage (B Port to A Port) VCCA = 2.7V VCCA = 3V VCCA = 3V VOL Output LOW Voltage (B Port to A Port) VCCA = 2.7V to 3.6V VCCA = 2.7V VCCA = 3V IOH = - 24mA IOL = 0.1mA IOL = 12mA IOL = 24mA Test Conditions(1) VCCA = 2.7V to 3.6V IOH = - 0.1mA IOH = - 12mA Min. VCCA - 0.2 2.2 2.4 2 -- -- -- Max. -- -- -- -- 0.2 0.4 0.55 V Unit V
NOTE: 1. VIH and VIL must be within the min. or max. range shown in the DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE table for the appropriate VCC range. TA = - 40C to + 85C; VCCA = 3.3V 0.3V.
OUTPUT DRIVE CHARACTERISTICS, VCCB = 5V 0.5V (B PORT)
Symbol VOH Parameter Output HIGH Voltage (A Port to B Port) VCCB = 4.5V VCCB = 5.5V VCCB = 4.5V VCCB = 5.5V VOL Output LOW Voltage ((A Port to B Port) VCCB = 4.5V VCCB = 5.5V VCCB = 4.5V VCCB = 5.5V IOL = 24mA IOL = 0.1mA IOH = - 24mA Test Conditions(1) IOH = - 0.1mA Min. 4.3 5.3 3.7 4.7 -- -- -- -- Max. -- -- -- -- 0.2 0.2 0.55 0.55 V Unit V
NOTE: 1. VIH and VIL must be within the min. or max. range shown in the DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE table for the appropriate VCC range. TA = - 40C to + 85C; VCCB = 5V 0.5V.
4
IDT74ALVC164245 16-BIT 3.3V TO 5V LEVEL SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
OPERATING CHARACTERISTICS, TA = 25C
VCCA = 3.3V, VCCB = 5V Symbol CPD CPD Parameter Power Dissipation Capacitance, Outputs enabled (A port or B port) Power Dissipation Capacitance, Outputs disabled (A port or B port) Test Conditions CL = 0pF, f = 10Mhz Typical 56 6 Unit pF
SWITCHING CHARACTERISTICS(1)
VCCB = 5V 0.5V VCCA = 2.7V Symbol tPLH tPHL tPLH tPHL tPZH tPZL tPZH tPZL tPHZ tPLZ tPHZ tPLZ Parameter Propagation Delay xAx to xBx Propagation Delay xBx to xAx Output Enable Time xOE to xBx Output Enable Time xOE to xAx Output Disable Time xOE to xBx Output Disable Time xOE to xAx -- 9 2.9 8.6 ns -- 9.2 2.1 9.4 ns -- 10.2 2 9.1 ns -- 9.3 1 8.9 ns -- 6.7 1.2 5.8 ns Min. -- Max. 5.9 VCCA = 3.3V 0.3V Min. 1 Max. 5.8 Unit ns
NOTE: 1. See TEST CIRCUITS AND WAVEFORMS. TA = - 40C to + 85C.
5
IDT74ALVC164245 16-BIT 3.3V TO 5V LEVEL SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
TEST CIRCUITS AND WAVEFORMS FOR VCCA = 3.3V 0.3V AND VCCA = 2.7V TEST CONDITIONS
Symbol VLOAD VIH VT VLZ VOH - VHZ CL VCCA = 3.3V0.3V 6 3 1.5 300 300 50 VCCA = 2.7V 6 3 1.5 300 300 50 Unit V V V mV mV pF
VLOAD Open 500 Pulse Generator
(1)
SAME PHASE INPUT TRANSITION tPLH OUTPUT tPLH OPPOSITE PHASE INPUT TRANSITION tPHL tPHL
VIH VT 0V VOH VT VOL VIH VT 0V
Propagation Delay
ENABLE CONTROL INPUT tPZL OUTPUT SWITCH NORMALLY VLOAD LOW tPZH OUTPUT SWITCH NORMALLY GND HIGH VLOAD/2 VT tPHZ VT 0V tPLZ DISABLE
VCC
VIH VT 0V VLOAD/2 VLZ VOL VOH VHZ 0V
GND
VIN D.U.T.
VOUT
RT
500 CL
Test Circuit for All Outputs
DEFINITIONS: CL = Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator. NOTE: 1. Pulse Generator for All Pulses: Rate 1.0MHz; tF 2.5ns; tR 2.5ns.
NOTE: 1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH.
Enable and Disable Times
SWITCH POSITION
Test Disable Low Enable Low Disable High Enable High All Other Tests Switch VLOAD GND Open
6
IDT74ALVC164245 16-BIT 3.3V TO 5V LEVEL SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
TEST CIRCUITS AND WAVEFORMS FOR VCCB = 5V 0.5V TEST CONDITIONS (USE VCCA TEST CIRCUIT)
Symbol VLOAD VIH VT VLZ VHZ CL VCCB = 5V0.2V 2 x VCCB 2.7 1.5 or VCCB / 2 20% of VCCB 80% of VCCB 50
(1)
Unit V V V mV mV pF
NOTE: 1. Pulse Generator for All Pulses: Rate 1.0MHz; tF 2.5ns; tR 2.5ns.
SAME PHASE INPUT TRANSITION tPLH OUTPUT tPLH OPPOSITE PHASE INPUT TRANSITION tPHL tPHL
VIH VT 0V VOH VCCB / 2 VOL VIH VCCB / 2 0V
Propagation Delay
NOTES: 1. For tSK(o) OUTPUT1 and OUTPUT2 are any two outputs. 2. For tSK(b) OUTPUT1 and OUTPUT2 are in the same bank.
ENABLE CONTROL INPUT tPZL
DISABLE
VIH VT 0V VLOAD/2 VLZ VOL VOH VHZ 0V
tPLZ
VLOAD/2 OUTPUT SW ITCH VCCB / 2 NORMALLY CLO SED LOW tPHZ tPZH O UTPUT SW ITCH NORMALLY OPEN VCCB / 2 HIGH 0V
Enable and Disable Times
NOTE: 1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH.
7
IDT74ALVC164245 16-BIT 3.3V TO 5V LEVEL SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS
INDUSTRIAL TEMPERATURE RANGE
ORDERING INFORMATION
IDT XX ALVC X Bus-Hold Temp. Range XX Family XXX XX Device Type Package
PV PA PF 245 164 Blank 74
Shrink Small Outline Package Thin Shrink Small Outline Package Thin Very Small Outline Package 16-Bit 3.3V to 5V Level Shifting Transceiver with 3-State Outputs Double-Density, 24mA No Bus-Hold - 40C to +85C
CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054
for SALES: 800-345-7015 or 408-727-6116 fax: 408-492-8674 www.idt.com
for Tech Support: logichelp@idt.com (408) 654-6459
8


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