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參數(shù)資料
| 型號： | KM68V4002B |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 512Kx8 Bit High Speed Static RAM(3.3V Operating)(512K x8位高速CMOS 靜態(tài) RAM) |
| 中文描述： | 512Kx8位高速靜態(tài)RAM（3.3V的工作）（為512k x8位高速的CMOS靜態(tài)RAM）的 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大小： | 137K |
| 代理商： | KM68V4002B |
KM68V4002B/BL, KM68V4002BI/BLI
CMOS SRAM
PRELIMINARY
Rev 2.1
June 1998
- 2 -
512K x 8 Bit High-Speed CMOS Static RAM(3.3V Operating)
GENERAL DESCRIPTION
The KM68V4002B is a 4,194,304-bit high-speed Static Ran-
dom Access Memory organized as 524,288 words by 8 bits.
The KM68V4002B uses 8 common input and output lines and
has an output enable pin which operates faster than address
access time at read cycle. The device is fabricated using SAM-
SUNG
′
s advanced CMOS process and designed for high-
speed circuit technology. It is particularly well suited for use in
high-density
high-speed
system
KM68V4002B is packaged in a 400 mil 36-pin plastic SOJ or
TSOP(II) forward.
FEATURES
Fast Access Time 10,12,15ns(Max.)
Low Power Dissipation
Standby (TTL) : 50mA(Max.)
(CMOS) : 10mA(Max.)
1.2mA(Max.)- L-Ver.
Operating KM68V4002B/BL - 10 : 205mA(Max.)
KM68V4002B/BL - 12 : 200mA(Max.)
KM68V4002B/BL - 15 : 195mA(Max.)
Single 3.3
±
0.3V Power Supply
TTL Compatible Inputs and Outputs
Fully Static Operation
- No Clock or Refresh required
Three State Outputs
Low Data Retention Voltage : 2V(Min.) - L-Ver. Only
Center Power/Ground Pin Configuration
Standard Pin Configuration
KM68V4002BJ : 36-SOJ-400
KM68V4002BT : 36-TSOP2-400F
Clk Gen.
I/O
1
~I/O
8
CS
WE
OE
FUNCTIONAL BLOCK DIAGRAM
R
Data
Cont.
Column Select
CLK
Gen.
Pre-Charge Circuit
Memory Array
512 Rows
1024x8 Columns
I/O Circuit
PIN FUNCTION
Pin Name
Pin Function
A
0
- A
18
Address Inputs
WE
Write Enable
CS
Chip Select
OE
Output Enable
I/O
1
~ I/O
8
Data Inputs/Outputs
V
CC
Power(+3.3V)
V
SS
Ground
N.C
No Connection
applications.
The
PIN CONFIGURATION
(Top View)
SOJ/TSOP2
N.C
A
18
A
17
A
16
A
15
OE
I/O
8
I/O
7
Vss
Vcc
I/O
6
I/O
5
A
14
A
13
A
12
A
11
A
10
N.C
A
0
A
1
A
2
A
3
A
4
CS
I/O
1
I/O
2
Vcc
Vss
I/O
3
I/O
4
WE
A
5
A
6
A
7
A
8
A
9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
A
10
A
12
A
14
A
16
A
18
A
9
A
11
A
13
A
15
A
17
KM68V4002B/BL -10/12/15
Commercial Temp.
KM68V4002BI/BLI -10/12/15
Industrial Temp.
ORDERING INFORMATION
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
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