Philips Semiconductors

Product specification

74LVC2373A

74LVCH2373A

Octal D-type transparent latch with 5-volt tolerant

inputs/outputs; damping resistor (3-State)

1997 Mar 12

7

SV00692

outputs

disabled

outputs

enabled

outputs

enabled

OE INPUT

GND

GND

OUTPUT

HIGH–to–OFF

OFF–to–HIGH

OUTPUT

LOW–to–OFF

OFF–to–LOW

Figure 3. 3-State enable and disable times

SV00693

LE INPUT

GND

GND

NOTE: The shaded areas indicate when the input is permitted

to change for predictable output performance.

Figure 4. Data set-up and hold times

for the Dn input to the LE input

TEST CIRCUIT

PULSE

GENERATOR

D.U.T.

50pF

2

Open

GND

500

Ω

500

Ω

t 2.7V

2.7V – 3.6V

2.7V

Test

GND

2

Open

SY00003

Figure 5. Load circuitry for switching times