參數(shù)資料
型號(hào): AT25256A
廠商: Atmel Corp.
英文描述: SPI Serial Extended Temperature EEPROMs
中文描述: SPI串行EEPROM的擴(kuò)展溫度
文件頁(yè)數(shù): 4/18頁(yè)
文件大小: 390K
代理商: AT25256A
4
AT25128A/256A
5088C–SEEPR–11/04
Note:
1. This parameter is characterized and is not 100% tested. Contact Atmel for further information.
Table 4.
AC Characteristics
Applicable over recommended operating range from T
AE
=
40
°
C to +125
°
C, V
CC
= As Specified,
CL = 1 TTL Gate and 100 pF (unless otherwise noted)
Symbol
Parameter
Voltage
Min
Max
Units
f
SCK
SCK Clock Frequency
2.7–5.5
0
5.0
MHz
t
RI
Input Rise Time
2.7–5.5
2
μs
t
FI
Input Fall Time
2.7–5.5
2
μs
t
WH
SCK High Time
2.7–5.5
40
ns
t
WL
SCK Low Time
2.7–5.5
40
ns
t
CS
CS High Time
2.7–5.5
80
ns
t
CSS
CS Setup Time
2.7–5.5
80
ns
t
CSH
CS Hold Time
2.7–5.5
80
ns
t
SU
Data In Setup Time
2.7–5.5
5
ns
t
H
Data In Hold Time
2.7–5.5
20
ns
t
HD
Hold Setup Time
2.7–5.5
40
ns
t
CD
Hold Hold Time
2.7–5.5
40
ns
t
V
Output Valid
2.7–5.5
0
40
ns
t
HO
Output Hold Time
2.7–5.5
0
ns
t
LZ
Hold to Output Low Z
2.7–5.5
0
40
ns
t
HZ
Hold to Output High Z
2.7–5.5
80
ns
t
DIS
Output Disable Time
2.7–5.5
80
ns
t
WC
Endurance
(1)
Write Cycle Time
2.7–5.5
5
ms
5.0V, 25
°
C, Page Mode
100K
Write Cycles
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