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參數(shù)資料
| 型號(hào)： | CY27C256-70WMB |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | 32K x 8-Bit CMOS EPROM |
| 中文描述： | 32K X 8 UVPROM, 70 ns, CDIP28 |
| 封裝： | 0.600 INCH, WINDOWED, CERDIP-28 |
| 文件頁(yè)數(shù)： | 4/11頁(yè) |
| 文件大?。?/td> | 260K |
| 代理商： | CY27C256-70WMB |
CY27C256
4
AC Test Loads and Waveforms
27c256–6
27c256–7
90%
10%
3.0V
GND
90%
10%
ALL INPUT PULSES
5V
OUTPUT
30 pF
INCLUDING
JIG AND
SCOPE
5V
OUTPUT
5 pF
INCLUDING
JIG AND
SCOPE
(a) NormalLoad
(b) HighZ Load
5 ns
5 ns
OUTPUT
R1 250
(329
MIL)
R2 167
(202
MIL)
100
Equivalent to:
THé VENIN EQUIVALENT
2.00V
R2 167
(202
MIL)
R1 250
(329
MIL)
OUTPUT
125
1.9V
Commercial
Military
≤
≤
Switching Characteristics
Over the Operating Range
[4,7 ]
27C256-45
27C256-55
27C256-70
27C256-90
Parameter
Description
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Unit
t
AA
Address to Output Valid
45
55
70
90
ns
t
HZOE
Outpout Enable Inactive to High Z
15
20
25
25
ns
t
OE
Output Enable Active to Output Valid
15
20
25
30
ns
t
HZCE
Chip Enable Inactive to High Z
20
25
25
25
ns
t
ACE
Chip Enable Active to Output Valid
45
55
70
90
ns
t
PU
Chip Enable Active to Power Up
0
0
0
0
ns
t
PD
Chip Enable Inactive to Power Down
45
55
70
90
ns
t
OH
Output Hold from Address Change
0
0
0
0
ns
Switching Characteristics
Over the Operating Range
[4, 7]
27C256-120
27C256-150
27C256-200
Parameter
Description
Min.
Max.
Min.
Max.
Min.
Max.
Unit
t
AA
Address to Output Valid
120
150
200
ns
t
HZOE
Outpout Enable Inactive to High Z
30
30
30
ns
t
OE
Output Enable Active to Output Valid
30
40
40
ns
t
HZCE
Chip Enable Inactive to High Z
30
30
30
ns
t
ACE
Chip Enable Active to Output Valid
120
150
200
ns
t
PU
Chip Enable Active to Power Up
0
0
0
ns
t
PD
Chip Enable Inactive to Power Down
120
150
200
ns
t
OH
Output Hold from Address Change
0
0
0
ns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CY27C256-90WMB | 32K x 8-Bit CMOS EPROM |
| CY27C256-120WMB | 32K x 8-Bit CMOS EPROM |
| CY27C256-150WMB | 32K x 8-Bit CMOS EPROM |
| CY27C256-200WMB | 32K x 8-Bit CMOS EPROM |
| CY27C256-55WC | 32K x 8-Bit CMOS EPROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY27C256-70ZC | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:32K x 8-Bit CMOS EPROM |
| CY27C256-90 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:32K x 8-Bit CMOS EPROM |
| CY27C256-90JC | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:32K x 8-Bit CMOS EPROM |
| CY27C256-90JI | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CY27C256-90PC | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:32K x 8-Bit CMOS EPROM |
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