Texas Instruments 99/4A - Page 128

0116 RPM ( cont .)
16-P1N CERAMIC AND PLASTIC
DUAL-IN-LINE PACKAGES
(TOP VIEW)
V BB
1
w
J
16
V SS
*
*
D
2
---------
15
CAS
_
«■
L
w 3
L
-
14
Q
___
s
RAS
4
L :
;l
13
A6
AO
5
c
L
J
12
A3
A1
’ t —
r 10
AS
V DD
8 5 ________
____ j 9
v cc
PIN NOMENCLATURE
A0-A6
Address Incuts ft
Write Enable
C a S
Column address strobe
V BB
— 5-V power supply
D
Data input
V CC
*5-V power supoiy
Q
Data output
| V DD
♦12-V power supply
R a 3
Row address strobe
v ss
0 V ground
read cycle timing
118