as4c256k16fo Alliance Memory, Inc, as4c256k16fo Datasheet - Page 24

• Manufacturer Part Number: as4c256k16fo
• Description: 5v 256k X 16 Cmos Dram Fast Page Mode
• Manufacturer: Alliance Memory, Inc

Package dimensions
Capacitance
Input capacitance
I/O capacitance
4/11/01; V.0.9.1
A
4443424140393837363534333231
1 2 3 4 5 6 7 8 91011121314
A
Pin 1
Parameter
1
A
1
b
40-pin SOJ
40/44-pin TSOP II
e
b
B
D
e
D
3029
1516
Seating
Plane
28272625
17181920
Symbol
C
C
C
Alliance Semiconductor
IN1
IN2
I/O
E
A
1
24
21
A
E
23
22
2
2
A
2
RAS, UCAS, LCAS, WE,
(f = 1 MHz, T
0–5°
I/O0 to I/O15
E
A0 to A8
Signals
H
e
OE
®
E
2
a
= Room Temperature, V
c
l
c
V
Test conditions
IN
V
V
= V
IN
IN
OUT
= 0V
= 0V
= 0V
A
A
A
A
H
E
E
A
D
D
B
b
E
A
b
c
e
c
E
e
l
1
2
1
2
1
2
e
AS4C256K16FO
CC
0.128
0.026
1.105
0.026
0.007
1.020
0.395
0.435
0.370 (typical)
(mm)
18.28
10.03
11.56
44-pin TSOP II
0.127 (typical)
Min
0.050 (typical)
0.05
0.95
0.30
0.40
Max
Min
0.80 (typical)
40-pin SOJ
5
7
7
= 5V ±10%)
400 mil
P. 24 of 25
0.148
1.115
0.032
0.020
0.013
1.035
0.405
0.445
(mm)
18.54
10.29
11.96
Max
1.05
0.45
0.60
Max
1.2
-
Unit
pF
pF
pF