VC16373ADL datasheet(7/10 Pages) PHILIPS

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Philips Semiconductors

Product specification

74LVC16373A/

74LVCH16373A

16-bit D-type transparent latch with 5 Volt tolerant

inputs/outputs (3-State)

1998 Mar 17

AC WAVEFORMS (Continued)

VM = 1.5V at VCC w 2.7V; VM = 0.5 VCC at VCC t 2.7V.

VOL and VOH are the typical output voltage drop that occur with the

output load.

VX = VOL + 0.3V at VCC w 2.7V; VX = VOL + 0.1 VCC at VCC t 2.7V

VY = VOH –0.3V at VCC w 2.7V; VY = VOH – 0.1 VCC at VCC t 2.7V

INPUT

tSU

NOTE: The shaded areas indicate when the input is permitted to change

for predictable output performance.

SW00073

tSU

GND

Waveform 3. Data set-up and hold times for the Dn input to the

LE input

tPLZ

tPZL

OE INPUT

GND

VCC

OUTPUT

LOW-to-OFF

OFF-to-LOW

VOL

VOH

OUTPUT

HIGH-to-OFF

OFF-to-HIGH

GND

outputs

enabled

outputs

enabled

outputs

disabled

tPHZ

tPZH

SW00072

Waveform 4. 3-State enable and disable times

TEST CIRCUIT

PULSE

GENERATOR

VIN

D.U.T.

VOUT

VCC

RL=500 Ω

SWITCH POSITION

TEST

SWITCH

tPLH/tPHL

Open

tPLZ/tPZL

<VCC

tPHZ/tPZH

GND

Test Circuit for 3-State Outputs

Open

GND

<VCC

DEFINITIONS

VCC

t 2.7V

2.7 – 3.6V

VIN

VCC

2.7V

RL = Load resistor

CL = Load capacitance includes jig and probe capacitance

RT = Termination resistance should be equal to ZOUT

of pulse generators.

SW00047

RL=500 Ω

Waveform 5. Load circuitry for switching times

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