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參數(shù)資料
| 型號： | CY7C292A |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | 2K x 8 Reprogrammable PROM(2K x 8重復(fù)編程的PROM) |
| 中文描述： | 2K × 8可再編程胎膜早破（2K × 8重復(fù)編程的可編程） |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 522K |
| 代理商： | CY7C292A |
2K x 8 Reprogrammable PROM
CY7C291A
Cypress Semiconductor Corporation
198 Champion Court
San Jose
,
CA 95134-1709
408-943-2600
Document #: 38-04011 Rev. *B
Revised August 17, 2006
Features
Windowed for reprogrammability
CMOS for optimum speed/power
High speed
— 20 ns (Commercial)
— 35 ns (Military)
Low power
— 660 mW (Commercial and Military)
Low standby power
— 220 mW (Commercial and Military)
EPROM technology 100% programmable
Slim 300-mil or standard 600-mil packaging available
5V
±
10% V
CC
,
commercial and military
TTL-compatible I/O
Direct replacement for bipolar PROMs
Capable of withstanding >2001V static discharge
Functional Description
The CY7C291A is a high-performance 2K-word by 8-bit
CMOS PROM. It is packaged in a 300-mil ceramic package
which may be equipped with an erasure window; when
exposed to UV light the PROM is erased and can then be
reprogrammed. The memory cells utilize proven EPROM
floating-gate
technology
and
programming algorithms.
The CY7C291A is a plug-in replacement for bipolar devices
and offers the advantage of lower power, reprogrammability,
superior performance and programming yield. The EPROM
cell requires only 12.5V for the supervoltage and low current
requirements allow for gang programming. The EPROM cells
allow for each memory location to be tested 100%, as each
location is written into, erased, and repeatedly exercised prior
to encapsulation. Each PROM is also tested for AC perfor-
mance to guarantee that after customer programming the
product will meet DC and AC specification limits.
A read is accomplished by placing an active LOW signal on
CS
1
, and active HIGH signals on CS
2
and CS
3
. The contents
of the memory location addressed by the address line
(A
0
A
10
) will become available on the output lines (O
0
O
7
).
byte-wide
intelligent
LogicBlockDiagram
Pin Configurations
O
7
O
6
O
5
O
4
O
3
O
2
O
1
O
0
PROGRAM-
MABLE
ARRAY
MULTI-
PLEXER
GND
1
2
3
4
5
6
7
8
9
10
11
12
14
13
15
16
20
19
18
17
21
24
23
22
A
6
A
5
A
4
A
3
A
2
A
1
A
0
O
0
O
1
A
7
O
3
V
CC
A
8
A
9
A
10
CS
1
CS
2
O
7
O
6
O
5
O
4
O
2
CS
3
28
4
5
6
7
8
9
10
1112
3 2 1
27
1314151617
26
25
24
23
22
21
20
19
A
VC
G
A
A
O
O
O
0
18
O
O
A
0
A
4
A
3
A
2
A
1
A
10
CS
1
CS
2
CS
3
NC
O
7
O
6
A
A
N
N
O
CS
1
CS
2
CS
3
POWER
DOWN
7C293A
Window available
DIP
LCC/PLCC (Opaque Only)
Top View
Top View
ADDRESS
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
8
A
9
A
10
A
7
COLUMN
ADDROW
7C291A
7C291A
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C293A-20PC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CY7C293A-25PC | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Cypress Semiconductor 功能描述: |
| CY7C293A-50WC | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Cypress Semiconductor 功能描述: |
| CY7C293AL-35PC | 制造商:Cypress Semiconductor 功能描述: |
| CY7C293AL-35WC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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