km68512a Samsung Semiconductor, Inc., km68512a Datasheet - Page 2

• Manufacturer Part Number: km68512a
• Description: 64kx8 Bit Low Power Cmos Static Ram
• Manufacturer: Samsung Semiconductor, Inc.

VSS
N.C
I/O1
I/O2
I/O3
N.C
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
PIN DESCRIPTION
64Kx8 bit Low Power CMOS Static RAM
KM68512A Family
PRODUCT FAMILY
FEATURES
KM68512AL
KM68512AL-L
KM68512ALI
KM68512ALI-L
Product Family
Process Technology: Poly Load
Organization: 64Kx8
Power Supply Voltage: 4.5~5.5V
Low Data Retention Voltage: 2V(Min)
Three state output and TTL Compatible
Package Type: 32-SOP-525, 32-TSOP1-0820F
SAMSUNG ELECTRONICS CO., LTD. reserves the right to change products and specifications without notice.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CS
I/O
32-SOP
A
Name
0
WE
Vcc
Vss
N.C
1
OE
1
~A
~I/O
, CS
15
8
2
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
Operating Temperature
VCC
A15
CS2
WE
A13
A8
A9
A11
OE
A10
CS1
I/O8
I/O7
I/O6
I/O5
I/O4
Commercial (0~70 C)
Industrial (-40~85 C)
VCC
CS2
A13
A15
A14
A11
A12
WE
Chip Select Inputs
Output Enable Input
Write Enable Input
Address Inputs
Data Inputs/Outputs
Power
Ground
No Connection
NC
NC
A9
A7
A6
A5
A4
A8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Function
Type1 - Forward
32-TSOP
V
4.5 to 5.5V
CC
Range
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
OE
A10
CS1
I/O8
I/O7
I/O6
I/O5
I/O4
VSS
I/O3
I/O2
I/O1
A0
A1
A2
A3
55/70ns
Speed
70ns
FUNCTIONAL BLOCK DIAGRAM
2
CS1
CS2
WE
OE
GENERAL DESCRIPTION
advanced CMOS process technology. The families support
various operating temperature ranges and have various
package types for user flexibility of system design. The
families also support low data retention voltage for battery
back-up operation with low data retention current.
The KM68512A families are fabricated by SAMSUNG s
I/O1
I/O8
Control
Logic
A3
A4
A5
A6
A7
A12
A13
A14
A15
(I
Standby
SB1
100 A
100 A
20 A
50 A
Power Dissipation
, Max)
Clk gen.
Data
cont
Data
cont
Row
select
(I
Operating
CC2
70mA
, Max)
A0
CMOS SRAM
A1
Precharge circuit.
Memory array
512 rows
128 8 columns
Column select
A2
I/O Circuit
A8
32-TSOP1-F
PKG Type
January 1997
A9
32-SOP
Revision 4.0
A10
A11