62256 View Datasheet(PDF) - Samsung
Part Name
Description
Manufacturer
62256 Datasheet PDF : 10 Pages
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KM62256C Family
PRELIMINARY
CMOS SRAM
32Kx8 bit Low Power CMOS Static RAM
FEATURES
¡Ü Process Technology : 0.7§- CMOS
¡Ü Organization : 32Kx8
¡Ü Power Supply Voltage : Single 5V ¡¾ 10%
¡Ü Low Data Retention Voltage : 2V(Min)
¡Ü Three state output and TTL Compatible
¡Ü Package Type : JEDEC Standard
28-DIP, 28-SOP, 28-TSOP I -Forward/Reverse
GENERAL DESCRIPTION
The KM62256C family is fabricated by SAMSUNG's advanced
CMOS process technology. The family can support various
operating temperature ranges and has various package types
for user flexibility of system design. The family also support low
data retention voltage for battery back-up operation with low
data retention current.
PRODUCT FAMILY
Product
Family
Operating
Temperature.
KM62256CL
KM62256CL-L
Commercial (0~70¡É)
KM62256CLE
KM62256CLE-L
Extended (-25~85¡É)
KM62256CLI
KM62256CLI-L
Industrial (-40~85¡É)
* The parameter is measured with 30pF test load.
PIN DESCRIPTION
Speed
(ns)
PKG Type
45*/55/70ns
70/100ns
70/100ns
28-DIP, 28-SOP
28-TSOP I R/F
28-SOP
28-TSOP I R/F
28-SOP
28-TSOP I R/F
Power Dissipation
Standby
(ISB1, Max)
Operating
(Icc2)
100§Ë
20§Ë
100§Ë
50§Ë
100§Ë
50§Ë
70mA
FUNCTIONAL BLOCK DIAGRAM
A14
1
28
VCC
A12
2
27 WE
A7
3
26
A13
A6
4
25
A8
A5
5
24
A9
A4
6
23
A11
A3
7
28-DIP 22 OE
A2 8 28-SOP 21 A10
A1
9
20 CS
A0
10
I/O1
11
I/O2
12
I/O3
13
VSS
14
19 I/O8
18 I/O7
17 I/O6
16 I/O5
15 I/O4
OE
1
A11
2
A9
3
A8
4
A13
5
WE
6
VCC
7
A14
8
A12
9
A7
10
A6
11
A5
12
A4
13
A3
14
A3
14
A4
13
A5
12
A6
11
A7
10
A12
9
A14
8
VCC
7
WE
6
A13
5
A8
4
A9
3
A11
2
OE
1
28-TSOP
Type I - Forward
28-TSOP
Type I - Reverse
28
A10
27
CS
26
I/O8
25
I/O7
24
I/O6
23
I/O5
22
I/O4
21
VSS
20
I/O3
19
I/O2
18
I/O1
17
A0
16
A1
15
A2
15
A2
16
A1
17
A0
18
I/O1
19
I/O2
20
I/O3
21
VSS
22
I/O4
23
I/O5
24
I/O6
25
I/O7
26
I/O8
27
CS
28
A10
A0~A2, A9~11
Y-Decoder
A3~A8,
A12~14
Cell
Array
I/O1~8
I/O Buffer
CS
WE,OE
NameName
A0~A14
WE
CS
OE
I/O1~I/O8
Vcc
Vss
Function
Address Inputs
Write Enable Input
Chip Select Input
Output Enable Input
Data Inputs/Outputs
Power(5V)
Ground
Revision 3.0
April 1996
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