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參數資料
| 型號： | P4C22-35SMB |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | ULTRA HIGH SPEED 256 X 4 STATIC CMOS RAM |
| 中文描述： | 超高速靜態256 × 4 CMOS存儲器 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 78K |
| 代理商： | P4C22-35SMB |
1
P4C422
FEATURES
High Speed (Equal Access and Cycle Times)
– 10/12/15/20/25/35 ns (Commercial)
– 15/20/25 /35 ns (Military)
CMOS for Low Power
– 495 mW Max. – 10/12/15/20/25 (Commercial)
– 495 mW Max. – 15/20/25/35 (Military)
DESCRIPTION
The P4C422 is a 1,024-bit high-speed (10ns) Static RAM
with a 256 x 4 organization. The memory requires no
clocks or refreshing and has equal access and cycle
times. Inputs and outputs are fully TTL compatible.
Operation is from a single 5 Volt supply. Easy memory
expansion is provided by an active LOW chip select one
(
CS
) and active HIGH chip select two (CS
2
) as well as 3-
state outputs.
P4C422
ULTRA HIGH SPEED 256 x 4
STATIC CMOS RAM
Means Quality, Service and Speed
1Q97
FUNCTIONAL BLOCK DIAGRAM PIN CONFIGURATIONS
In addition to very high performance and very high den-
sity, the device features latch-up protection, single event
and upset protection. The P4C422 is offered in several
packages: 22-pin 400 mil DIP (plastic and ceramic), 24-
pin 300 mil SOIC, 24-pin LCC and 24-pin CERPACK.
Devices are offered in both commercial and military
temperature ranges.
COLUMN
DECODER
S
32 X 32
ARRAY
CS
1
CS
2
WE
OE
O
0
O
1
O
2
O
3
A
5
A
6
A
7
A
2
A
3
A
4
A
1
A
0
D
1
D
2
D
3
D
0
D
C
R
D
Single 5V
±
10% Power Supply
Separate I/O
Fully TTL Compatible Inputs and Outputs
Resistant to single event upset and latchup
resulting from advanced process and design
improvements
Standard 22-pin 400 mil DIP, 24-pin 300 mil
SOIC, 24-pin LCC package and 24-pin CERPACK
package
21
17
20
19
18
16
4
5
6
7
8
9
3
1
2
24
23
22
15
14
13
12
11
10
A1
A2
A3
A4
VCC
A0
A5
A6
A7
GND
NC
D0
D1
D2
O1
O0
CS2
D3
O3
INDEX
WE
O2
CS1
OE
NC
1
2
3
4
5
6
7
8
9
10
11
22
21
20
19
18
17
16
15
14
13
12
A5
A6
A7
GND
D0
O0
D1
A3
A2
A1
A0
WE
CS
1
CS2
O3
D3
O2
D2
O1
VCC
A4
OE
1
2
3
4
5
6
7
8
9
10
11
12
A5
A6
A7
GND
D0
O0
D1
NC
A3
A2
A1
A0
WE
CS
1
CS2
O3
D3
O2
D2
O1
NC
VCC
A4
OE
22
21
20
19
18
17
16
15
14
13
23
24
SOIC (S4)
CERPACK (F3) SIMILAR
TOP VIEW
DIP (P3-1, D3-1)
TOP VIEW
LCC (L4)
TOP VIEW
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|---|---|
| P4C422 | ULTRA HIGH SPEED 256 X 4 STATIC CMOS RAM |
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| P4C22-15LMB | ULTRA HIGH SPEED 256 X 4 STATIC CMOS RAM |
| P4C22-15PC | ULTRA HIGH SPEED 256 X 4 STATIC CMOS RAM |
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