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KM62256DLRG-5L データシート(PDF) 2 Page - Samsung semiconductor

部品番号 KM62256DLRG-5L
部品情報  32Kx8 bit Low Power CMOS Static RAM
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メーカー  SAMSUNG [Samsung semiconductor]
ホームページ  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

KM62256DLRG-5L データシート(HTML) 2 Page - Samsung semiconductor

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KM62256D Family
CMOS SRAM
Revision 1.0
November 1997
32Kx8 bit Low Power CMOS Static RAM
GENERAL DESCRIPTION
The KM62256D families are fabricated by SAMSUNG
′s
advanced CMOS process technology. The families support
various operating temperature ranges and have various
package types for user flexibility of system design. The fami-
lies also support low data retention voltage for battery back-
up operation with low data retention current.
FEATURES
• Process Technology : TFT
• Organization : 32Kx8
• Power Supply Voltage : 4.5~5.5V
• Low Data Retention Voltage : 2V(Min)
• Three state output and TTL Compatible
• Package Type : 28-DIP-600B, 28-SOP-450
28-TSOP1-0813.4 F/R
PIN DESCRIPTION
Pin Name
Function
Pin Name
Function
CS
Chip Select Input
I/O1~I/O8
Data Inputs/Outputs
OE
Output Enable Input
Vcc
Power
WE
Write Enable Input
Vss
Ground
A0~A14
Address Inputs
NC
No connect
PRODUCT FAMILY
1. The parameter is tested with 50pF test load.
Product Family
Operating Temperature
VCC Range
Speed
Power Dissipation
PKG Type
Standby
(ISB1, Max)
Operating
(Icc2, Max)
KM62256DL
Commercial (0~70
°C)
4.5 to 5.5V
551)/70ns
30
µA
60mA
28-DIP,28-SOP
28-TSOP1-F/R
KM62256DL-L
5
µA
KM62256DLI
Industrial (-40~85
°C)
70ns
30
µA
28-SOP
28-TSOP1-F/R
KM62256DLI-L
5
µA
FUNCTIONAL BLOCK DIAGRAM
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O1
I/O2
I/O3
VSS
VCC
WE
A13
A8
A9
A11
OE
A10
CS
I/O8
I/O7
I/O6
I/O5
I/O4
28-DIP
28-SOP
15
16
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
A11
A9
A8
A13
WE
VCC
A3
A14
A12
A7
A6
A5
A4
A10
CS
I/O8
I/O7
I/O6
I/O5
I/O4
VSS
I/O3
I/O2
I/O1
A0
A1
A2
28-TSOP
Type1 - Forward
1
2
3
4
5
6
7
8
9
10
11
12
13
14
27
26
28
25
24
23
22
21
20
19
18
17
16
15
OE
28-TSOP
A11
A9
A8
A13
WE
VCC
A3
A14
A12
A7
A6
A5
A4
A10
CS
I/O8
I/O7
I/O6
I/O5
I/O4
VSS
I/O3
I/O2
I/O1
A0
A1
A2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
27
26
28
25
24
23
22
21
20
19
18
17
16
15
OE
Type1 - Reverse
SAMSUNG ELECTRONICS CO., LTD. reserves the right to change products and specifications without notice.
Precharge circuit.
Memory array
256 rows
128
×8 columns
I/O Circuit
Column select
Clk gen.
Row
select
A10 A3
A0
A1
A2
A11
A9
A13
A8
A12
A14
A4
A5
A7
CS
WE
I/O1
Data
cont
Data
cont
OE
I/O8
A6
Control
Logic


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