AT25256W-10SI-2.7 Atmel, AT25256W-10SI-2.7 Datasheet - Page 4

• Manufacturer Part Number: AT25256W-10SI-2.7
• Description: IC EEPROM 256KBIT 3MHZ 8SOIC
• Manufacturer: Atmel

Specifications of AT25256W-10SI-2.7

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 256K (32K x 8)
• Speed: 2.1MHz, 3MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Table 4. AC Characteristics
Applicable over recommended operating range from T
CL = 1 TTL Gate and 100 pF (unless otherwise noted)
4
Symbol
f
t
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
LZ
AT25128/256
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
Hold Setup Time
Hold Hold Time
Output Valid
Output Hold Time
Hold to Output Low Z
Data In Hold Time
AI
=
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
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
–
Voltage
40°C to + 85°C, T
AE
1000
1000
1000
=
Min
150
200
800
150
200
800
250
250
100
250
150
250
100
100
100
100
400
200
300
400
30
50
50
50
0
0
0
0
0
0
0
0
0
0
0
0
–
40°C to +125°C, V
Max
150
200
800
100
200
300
3.0
2.1
0.5
2
2
2
2
2
2
CC
= As Specified,
0872O–SEEPR–03/05
Units
MHz
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns