74HC7030 Datasheet, PDF (4/22 Pages) NXP Semiconductors – 9-bit x 64-word FIFO register; 3-state

Philips Semiconductors
9-bit x 64-word FIFO register; 3-state
Product specification
74HC/HCT7030
PIN DESCRIPTION
PIN NO.
SYMBOL
NAME AND FUNCTION
1, 2, 14
3
4
5, 6, 7, 8, 9, 10, 11, 12, 13
15
24, 23, 22, 21, 20, 19, 18, 17, 16
25
26
27
28
GND
DIR
SI
D₀ to D₈
OE
Q₀ to Q₈
DOR
SO
MR
V_CC
ground (0 V)
data-in-ready output
shift-in input (LOW-to-HIGH, edge-triggered)
parallel data inputs
output enable input (active LOW)
3-state parallel data outputs
data-out-ready output
shift-out input (HIGH-to-LOW, edge-triggered)
asynchronous master-reset input (active LOW)
positive supply voltage
Note
1. Pin 14 must be connected to GND. Pins 1 and 2 can be left floating or connected to GND, however it is not allowed
to let current flow in either direction between pins 1, 2 and 14.
Fig.1 Pin configuration.
December 1990
Fig.2 Logic symbol.
4
Fig.3 IEC logic symbol.