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參數(shù)資料
| 型號： | CY7C291A-25WMB |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | 2K x 8 Reprogrammable PROM |
| 中文描述： | 2K X 8 UVPROM, 25 ns, CDIP24 |
| 封裝： | 0.300 INCH, WINDOWED, CERDIP-24 |
| 文件頁數(shù)： | 5/15頁 |
| 文件大小： | 355K |
| 代理商： | CY7C291A-25WMB |
CY7C291A
CY7C292A/CY7C293A
5
AC Test Loads and Waveforms
[4]
t
PU
t
AA
t
HZCS
t
ACS
50%
50%
t
PD
3.0V
5V
OUTPUT
R1250
R2
167
30pF
INCLUDING
JIG AND
SCOPE
GND
90%
10%
90%
10%
< 5 ns
< 5 ns
5V
OUTPUT
5 pF
INCLUDING
JIG AND
SCOPE
(a) NormalLoad
(b) HighZ Load
OUTPUT
2.0V
Equivalent to:
THé ENIN EQUIVALENT
C291A-4
C291A-5
100
C291A-6
R1250
R2
167
ALL INPUT PULSES
CS
2
CS
3
CS
1
V
SUPPLY
CURRENT
A
0
A
10
ADDRESS
O
0
- O
7
C291A-7
Switching Characteristics
Over the Operating Range
[3, 4]
7C291A-20
7C292A-20
7C293A-20
7C291A-25
7C292A-25
7C293A-25
7C291AL-25
7C292AL-25
7C293AL-25
7C291A-35
7C292A-35
7C293A-35
7C291AL-35
7C292AL-35
7C293AL-35
7C291A-50
7C292A-50
7C293A-50
7C291AL-50
7C292AL-50
7C293AL-50
Parameter
Description
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Unit
t
AA
Address to Output Valid
20
25
35
50
ns
t
HZCS1
Chip Select Inactive to High Z
15
15
20
20
ns
t
ACS1
Chip Select Active to Output Valid
15
15
20
20
ns
t
HZCS2
Chip Select Inactive to High Z
(7C293A CS
1
Only)
[6]
22
27
35
45
ns
t
ACS2
Chip Select Active to Output Valid
(7C293A CS
1
Only)
[6]
22
27
35
45
ns
t
PU
Chip Select Active to Power-Up
(7C293A CS
1
Only)
0
0
0
0
ns
t
PD
Chip Select Inactive to Power-Down
(7C293A CS
1
Only)
22
27
35
45
ns
Notes:
6.
t
HZCS2
and t
ACS2
refer to 7C293A CS
1
only.
相關PDF資料 |
PDF描述 |
|---|---|
| CY7C291A-293A | 2K x 8 Reprogrammable PROM |
| CY7C291A-30DMB | 2K x 8 Reprogrammable PROM |
| CY7C291A-25QMB | 2K x 8 Reprogrammable PROM |
| CY7C291A-30QMB | 2K x 8 Reprogrammable PROM |
| CY7C331 | Asynchronous Registered EPLD(異步寄存式EPLD) |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C291A-35DMB | 制造商:Cypress Semiconductor 功能描述: |
| CY7C291A-35JC | 制造商:Cypress Semiconductor 功能描述:EPROM OTP 16K-Bit 2K x 8 35ns 28-Pin PLCC |
| CY7C291A-35JCT | 制造商:Cypress Semiconductor 功能描述:EPROM OTP 16K-Bit 2K x 8 35ns 28-Pin PLCC T/R |
| CY7C291A-35PC | 制造商:Cypress Semiconductor 功能描述:EPROM OTP 16K-Bit 2K x 8 35ns 24-Pin PDIP |
| CY7C291A-35WC | 制造商:Cypress Semiconductor 功能描述:EPROM UV 16K-Bit 2K x 8 35ns 24-Pin Windowed CDIP |
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