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參數(shù)資料
| 型號(hào)： | AT17C256A |
| 廠商： | Atmel Corp. |
| 英文描述： | FPGA Configuration EEPROM |
| 中文描述： | FPGA配置的EEPROM |
| 文件頁數(shù)： | 7/11頁 |
| 文件大?。?/td> | 159K |
| 代理商： | AT17C256A |
AT17A Series
7
.
AC Characteristics for AT17C256A
V
CC
= 5V
±
5% Commercial / V
CC
= 5V
±
10% Ind./Mil
.
Notes:
1. Preliminary specifications for military operating range only.
2. AC test load = 50 pf.
3. Float delays are measured with 5 pF AC loads. Transition is measured
±
200 mV from steady-state active levels.
Symbol
Description
Commercial
Industrial/Military
Units
Min
Max
Min
Max
t
OE
(2)
OE to Data Delay
25
25
ns
t
CE
(2)
CE to Data Delay
45
45
ns
t
CAC
(2)
CLK to Data Delay
50
55
ns
t
OH
(2)
Data Hold From CE, OE, or CLK
0
0
ns
t
DF
(3)
CE or OE to Data Float Delay
50
50
ns
t
LC
CLK Low Time
20
20
ns
t
HC
CLK High Time
20
20
ns
t
SCE
CE Setup Time to CLK (to guarantee proper counting)
35
40
ns
t
HCE
CE Hold Time to CLk (to guarantee proper counting)
0
0
ns
t
HOE
OE High Time (guarantees counter is reset)
20
20
ns
F
MAX
MAX Input Clock Frequency
12.5
12.5
MHz
AC Characteristics for AT17C256A When Cascading
V
CC
= 5V
±
5% Commercial / V
CC
= 5V
±
10% Ind./Mil
Symbol
Description
Commercial
Industrial/Military
Units
Min
Max
Min
Max
t
CDF
(3)
CLK to Data Float Delay
50
50
ns
t
OCK
(2)
CLK to CEO Delay
35
40
ns
t
OCE
(2)
CE to CEO Delay
35
35
ns
t
OOE
(2)
RESET/OE to CEO Delay
30
35
ns
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AT17C256A-10JC | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:FPGA Configuration EEPROM |
| AT17C256A-10JI | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:FPGA Configuration EEPROM |
| AT17C512 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:FPGA Configuration E2PROM Memory |
| AT17C512-10CC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Configuration EEPROM |
| AT17C512-10CI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Configuration EEPROM |
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