參數(shù)資料
型號: CY27C256-70WC
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
文件頁數(shù): 4/11頁
文件大?。?/td> 260K
代理商: CY27C256-70WC
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
CY27C256-70ZC 32K x 8-Bit CMOS EPROM
CY27C256-90JC 32K x 8-Bit CMOS EPROM
CY27C256-90PC 32K x 8-Bit CMOS EPROM
CY27C256-90WC 32K x 8-Bit CMOS EPROM
CY27C256-90ZC 32K x 8-Bit CMOS EPROM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CY27C256-70WMB 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:32K x 8-Bit CMOS EPROM
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