參數(shù)資料
型號: AT17C020
廠商: Atmel Corp.
英文描述: 2M bit FPGA Configuration EEPROM Memory(2M位 FPGA配置EEPROM存儲器)
中文描述: 200萬位FPGA配置存儲器(200萬位的FPGA配置的EEPROM存儲器)
文件頁數(shù): 8/12頁
文件大小: 204K
代理商: AT17C020
AT17C/LV020
8
AC Characteristics for AT17C020
V
CC
= 5V ± 5% Commercial, V
CC
= 5V ± 10% Industrial/Military
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
(1)
Units
Min
Max
Min
Max
T
OE
(2)
OE to Data Delay
30
35
ns
T
CE
(2)
CE to Data Delay
45
45
ns
T
CAC
(2)
CLK to Data Delay
50
50
ns
T
OH
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)
20
25
ns
T
HCE
CE Hold Time from 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 AT17C020 When Cascading
V
CC
= 5V± 5% Commercial/V
CC
= 5V ± 10% Ind./Mil.
Symbol
Description
Commercial
Industrial/Military
(1)
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
30
ns
F
MAX
MAX Input Clock Frequency
12.5
12.5
MHz
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