W24LH8
32K
脳
8 CMOS STATIC RAM
GENERAL DESCRIPTION
The W24LH8 is a normal speed, very low power CMOS static RAM organized as 32768
脳
8 bits that
operates on a wide voltage range from 2.7V to 5.5V power supply. The W24LH8 family, W24LH8-55LE
and W24LH8-55LI, can meet requirement of various operating temperature. This device is
manufactured using Winbond's high performance CMOS technology.
FEATURES
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Low power consumption
Access time: 55 nS (5V
鹵10%),
100 nS (3V
鹵10%)
2.7V to 5.5V supply voltage
Fully static operation
All inputs and outputs directly TTL compatible
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Three-state outputs
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Battery back-up operation capability
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Data retention voltage: 2V (min.)
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Available packages: 330 mil SOP and standard
type one TSOP (8 mm
脳
13.4 mm)
PIN CONFIGURATIONS
BLOCK DIAGRAM
CLK GEN.
A12
A14
PRECHARGE CKT.
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O1
I/O2
I/O3
V
SS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28-pin
SOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
DD
#WE
A13
A8
A9
A11
#OE
A10
#CS
I/O8
I/O7
I/O6
I/O5
I/O4
A2
A3
A4
A5
A6
A7
A13
I/O1
I/O8
R
O
W
D
E
C
O
D
E
R
CORE CELL ARRAY
512 ROWS
64 X 8 COLUMNS
DATA
CNTRL.
CLK
GEN.
I/O CKT.
COLUMN DECODER
#WE
#CS
#OE
A11 A10 A1 A0 A8 A9
PIN DESCRIPTION
#OE
A11
A9
A8
A13
#WE
V
DD
A14
A12
A7
A6
A5
A4
A3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A10
#CS
I/O8
I/O7
I/O6
I/O5
I/O4
V
SS
I/O3
I/O2
I/O1
A0
A1
A2
SYMBOL
A0鈭扐14
I/O1鈭捍/O8
#CS
#WE
#OE
V
DD
V
SS
DESCRIPTION
Address Inputs
Data Inputs/Outputs
Chip Select Input
Write Enable Input
Output Enable Input
Power Supply
Ground
28-pin
TSOP
-1-
Publication Release Date: March 2001
Revision A3
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