SN54ABT16843, SN74ABT16843

18-BIT BUS-INTERFACE D-TYPE LATCHES

WITH 3-STATE OUTPUTS

SCBS223E – OCTOBER 1992 – REVISED MAY 1997

2

POST OFFICE BOX 655303

description (continued)

OE does not affect the internal operations of the latch. Previously stored data can be retained or new data can

be entered while the outputs are in the high-impedance state.

the minimum value of the resistor is determined by the current-sinking capability of the driver.

The SN54ABT16843 is characterized for operation over the full military temperature range of –55

°C to 125°C.

The SN74ABT16843 is characterized for operation from –40

°C to 85°C.

FUNCTION TABLE

(each 9-bit latch)

INPUTS

OUTPUT

PRE

CLR

OE

LE

D

Q

L

X

L

X

X

H

H

LL

X

X

L

H

HL

HL

L

H

HL

H

H

H

H

HL

L

X

Q0

X

X

H

X

X

Z