IS62VV25616L Datasheet, PDF (2/10 Pages) Integrated Silicon Solution, Inc – 256K x 16 LOW VOLTAGE, 1.8V ULTRA LOW POWER CMOS STATIC RAM

IS62VV25616LL
PIN CONFIGURATIONS
44-Pin TSOP (Type II)
A4 1
A3 2
A2 3
A1 4
A0 5
CE 6
I/O0 7
I/O1 8
I/O2 9
I/O3 10
VDD 11
GND 12
I/O4 13
I/O5 14
I/O6 15
I/O7 16
WE 17
A16 18
A15 19
A14 20
A13 21
A12 22
ISSI ^®
44 A5
43 A6
42 A7
41 OE
40 UB
39 LB
38 I/O15
37 I/O14
36 I/O13
35 I/O12
34 GND
33 VDD
32 I/O11
31 I/O10
30 I/O9
29 I/O8
28 NC
27 A8
26 A9
25 A10
24 A11
23 A17
48-Pin mini BGA (7.2mm x 8.7mm)
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
VDD
E
VDD
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
Address Inputs
Data Inputs/Outputs
Chip Enable Input
Output Enable Input
Write Enable Input
LB
UB
NC
VDD
GND
Lower-byte Control (I/O0-I/O7)
Upper-byte Control (I/O8-I/O15)
No Connection
Power
Ground
TRUTH TABLE
Mode
WE
CE
OE
LB
UB
Not Selected
X
H
X
X
X
X
L
X
H
H
Output Disabled
H
L
H
X
X
X
L
X
H
H
Read
H
L
L
L
H
H
L
L
H
L
H
L
L
L
L
Write
L
L
X
L
H
L
L
X
H
L
L
L
X
L
L
I/O PIN
I/O0-I/O7 I/O8-I/O15
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
DOUT
High-Z
DOUT
High-Z
DOUT
DOUT
DIN
High-Z
DIN
High-Z
DIN
DIN
Vdd Current
ISB1, ISB2
ISB1, ISB2
ICC
ISB1, ISB2
ICC
ICC
2
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
Rev. B
08/07/02