SN74ALVC7804_07 Datasheet, PDF (4/13 Pages) Texas Instruments – 512 × 18 FIRST-IN, FIRST-OUT MEMORY

Figure 1. Write, Read, and Flag Timing Reference
RESET
1
PEN
0
LDCK
W1
W2
W
(X+1)
B
A
C
Don’t Care
1
0
W1
W
W
W2 _{(Y+1) (Y+2)} D
E
H
I
F
G
FULL
Define the AF/AE Flag
Using the Default Value of X and Y
HF
EMPTY
AF/AE
UNCK
OE
Q0–Q17
D0–D17