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KM681000ELP-5L Datasheet(PDF) 2 Page - Samsung semiconductor

Part # KM681000ELP-5L
Description  128Kx8 bit Low Power CMOS Static RAM
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Manufacturer  SAMSUNG [Samsung semiconductor]
Direct Link  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

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CMOS SRAM
KM681000E Family
Revision 1.01
December 1999
2
128Kx8 bit Low Power CMOS Static RAM
GENERAL DESCRIPTION
The KM681000E families are fabricated by SAMSUNG
′s
advanced CMOS process technology. The families support
various operating temperature ranges and have various pack-
age 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.
FEATURES
• Process Technology: TFT
• Organization: 128Kx8
• Power Supply Voltage: 4.5~5.5V
• Low Data Retention Voltage: 2V(Min)
• Three state output and TTL Compatible
• Package Type: 32-DIP-600, 32-SOP-525,
32-TSOP1-0820F
PIN DESCRIPTION
Name
Function
CS1, CS2
Chip Select Input
OE
Output Enable Input
WE
Write Enable Input
I/O1~I/O8
Data Inputs/Outputs
A0~A16
Address Inputs
Vcc
Power
Vss
Ground
N.C.
No Connection
PRODUCT FAMILY
1. The parameters are tested with 50pF test load
Product Family
Operating Temperature
Vcc Range
Speed
Power Dissipation
PKG Type
Standby
(ISB1, Max)
Operating
(ICC2, Max)
KM681000EL
Commercial(0~70
°C)
4.5~5.5V
551)/70ns
50
µA
50mA
32-DIP, 32-SOP
32-TSOP1-0820F
KM681000EL-L
10
µA
KM681000ELI
Industrial(-40~85
°C)
70ns
50
µA
32-SOP -525
32-TSOP1-0820F
KM681000ELI-L
15
µA
FUNCTIONAL BLOCK DIAGRAM
SAMSUNG ELECTRONICS CO., LTD. reserves the right to change products and specifications without notice.
Precharge circuit.
Memory array
1024 rows
128
×8 columns
I/O Circuit
Column select
Clk gen.
Row
select
I/O1
Data
cont
Data
cont
I/O8
CS1
WE
OE
CS2
Control
logic
A11
A9
A8
A13
WE
CS2
A15
VCC
NC
A16
A14
A12
A7
A6
A5
A4
OE
A10
CS1
I/O8
I/O7
I/O6
I/O5
I/O4
VSS
I/O3
I/O2
I/O1
A0
A1
A2
A3
Type1-Forward
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
N.C
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O1
I/O2
I/O3
VSS
VCC
A15
CS2
WE
A13
A8
A9
A11
OE
A10
CS1
I/O8
I/O7
I/O6
I/O5
I/O4
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32-DIP
32-TSOP
32-SOP
Column Address
Raw
Address


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