AS4C256K16E0-30 ALSC [Alliance Semiconductor Corporation], AS4C256K16E0-30 Datasheet - Page 23

• Manufacturer Part Number: AS4C256K16E0-30
• Description: 5V 256Kx16 CMOS DRAM (EDO)
• Manufacturer: ALSC [Alliance Semiconductor Corporation]

Package dimensions
Capacitance
Ordering codes
Shaded areas contain advance information.
Part numbering system
Parameter
Input capacitance
I/O capacitance
Package \ Access time
Plastic SOJ, 400 mil, 40-pin
TSOP II, 400 mil, 40/44-pin
AS4C
DRAM prefix
4/11/01; v.1.1
A
44 43 42 41 40 39 38 37 36 35
1 2 3
A
Pin 1
1
A1
4 5 6 7
b
40-pin SOJ
256K16E0
Device number
44-pin TSOP II
8 9 10
e
b
B
d
e
D
C
C
C
Symbol
32 31
13 14
IN1
IN2
I/O
30 29
Seating
15 16
Plane
30 ns
AS4C256K16E0-30JC
28 27 26 25
17 18 19 20
–XX
RAS
access time
E1
A
Signals
A0 to A8
RAS
I/O0 to I/O15
24
21
Alliance Semiconductor
A
E2
23
22
2
,
A2
UCAS
0–5°
,
E
LCAS
X
Package: J = SOJ
H
e
,
E
WE
,
OE
35 ns
AS4C256K16E0-35JC
®
T = TSOP II
ƒ = 1 MHz, T
c
c
l
Test conditions
V
V
V
in
in
in
= 0V
= 0V
= V
a
= room temperature, V
out
C
Commercial temperature range,
0°C to 70 °C
= 0V
A1
A2
E1
E2
A
A
H
D
A
B
b
c
E
e
A
b
d
E
e
c
l
1
2
e
50 ns
AS4C256K16E0-50JC
AS4C256K16E0-50TC
0.128
0.025
1.105
0.026
0.015
0.007
1.020
0.370 (typical)
0.390
0.435
0.050 (typical)
(mm)
18.28
10.03
11.56
Max
5
7
7
Min
0.05
0.95
0.30
0.40
0.127 (typical)
44-pin TSOP II
Min
0.80 (typical)
40-pin SOJ
AS4C256K16E0
400 mil
CC
0.148
1.115
0.032
0.020
0.013
1.035
0.410
0.445
(mm)
18.54
10.29
11.96
Max
1.05
0.45
0.60
Max
1.2
= 5V ± 0.5V
-
23 of 24
Unit
pF
pF
pF