at25020a ATMEL Corporation, at25020a Datasheet - Page 4

• Manufacturer Part Number: at25020a
• Description: Spi Serial Eeprom 1k 128x8 2k 256x8 4k 512x8
• Manufacturer: ATMEL Corporation

Table 4. AC Characteristics
Applicable over recommended operating range from T
CL = 1 TTL Gate and 30 pF (unless otherwise noted)
4
Symbol
f
t
t
t
t
t
t
t
t
t
t
t
t
t
SCK
RI
FI
WH
WL
CS
CSS
CSH
SU
H
HD
CD
V
HO
AT25010A/020A/040A
Parameter
SCK Clock Frequency
Input Rise Time
Input Fall Time
SCK High Time
SCK Low Time
CS High Time
CS Setup Time
CS Hold Time
Data In Setup Time
Data In Hold Time
Hold Setup Time
Hold Hold Time
Output Valid
Output Hold Time
AI
= −40 to +85°C, V
4.5 − 5.5
2.7 − 5.5
1.8 − 5.5
4.5 − 5.5
2.7 − 5.5
1.8 − 5.5
4.5 − 5.5
2.7 − 5.5
1.8 − 5.5
4.5 − 5.5
2.7 − 5.5
1.8 − 5.5
4.5 − 5.5
2.7 − 5.5
1.8 − 5.5
4.5 − 5.5
2.7 − 5.5
1.8 − 5.5
4.5 − 5.5
2.7 − 5.5
1.8 − 5.5
4.5 − 5.5
2.7 − 5.5
1.8 − 5.5
4.5 − 5.5
2.7 − 5.5
1.8 − 5.5
4.5 − 5.5
4.5 − 5.5
2.7 − 5.5
1.8 − 5.5
4.5 − 5.5
2.7 − 5.5
1.8 − 5.5
4.5 − 5.5
2.7 − 5.5
1.8 − 5.5
4.5 − 5.5
2.7 − 5.5
1.8 − 5.5
2.7 - 5.5
1.8 - 5.5
Voltage
CC
= As Specified,
Min
100
100
200
100
100
200
100
100
200
20
40
80
20
40
80
20
40
80
20
40
80
20
40
80
20
40
80
0
0
0
0
0
0
0
0
0
Max
20
10
20
40
80
5
2
2
2
2
2
2
3348J–SEEPR–8/06
Units
MHz
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns