IS61LV25616L Datasheet, PDF (2/11 Pages) Integrated Silicon Solution, Inc – 256K x 16 HIGH SPEED ASYNCHRONOUS CMOS STATIC RAM WITH 3.3V SUPPLY

IS61LV25616L
PIN CONFIGURATIONS
44-Pin TSOP (Type II) and SOJ
44-Pin LQFP
ISSI ^®
A0 1
A1 2
A2 3
A3 4
A4 5
CE 6
I/O0 7
I/O1 8
I/O2 9
I/O3 10
Vcc 11
GND 12
I/O4 13
I/O5 14
I/O6 15
I/O7 16
WE 17
A5 18
A6 19
A7 20
A8 21
A9 22
44 A17
43 A16
42 A15
41 OE
40 UB
39 LB
38 I/O15
37 I/O14
36 I/O13
35 I/O12
34 GND
33 Vcc
32 I/O11
31 I/O10
30 I/O9
29 I/O8
28 NC
27 A14
26 A13
25 A12
24 A11
23 A10
CE
I/O0
I/O1
I/O2
I/O3
Vcc
GND
I/O4
I/O5
I/O6
I/O7
44 43 42 41 40 39 38 37 36 35 34
1
33
2
32
3
31
4
30
5
29
6
TOP VIEW
28
7
27
8
26
9
25
10
24
11
23
12 13 14 15 16 17 18 19 20 21 22
I/O15
I/O14
I/O13
I/O12
GND
Vcc
I/O11
I/O10
I/O9
I/O8
NC
48-Pin mini BGA
1 23 45 6
A
LB
OE
A0
A1
A2 N/C
B
I/O8
UB
A3
A4
CE
I/O0
C
I/O9 I/O10 A5
A6
I/O1 I/O2
D
GND I/O₁₁ A17
A7
I/O3
Vcc
E
Vcc I/O12 NC
A16 I/O4 GND
F
I/O14 I/O₁₃ A14 A15 I/O5 I/O₆
G
I/O15 NC
A12 A13
WE
I/O7
H
NC
A8
A9
A10 A11 NC
PIN DESCRIPTIONS
A0-A17
I/O0-I/O15
CE
OE
WE
LB
UB
NC
Vcc
GND
Address Inputs
Data Inputs/Outputs
Chip Enable Input
Output Enable Input
Write Enable Input
Lower-byte Control (I/O0-I/O7)
Upper-byte Control (I/O8-I/O15)
No Connection
Power
Ground
2
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
Rev. B
06/28/02