AT25256B-SSHL-B Atmel, AT25256B-SSHL-B Datasheet - Page 4

• Manufacturer Part Number: AT25256B-SSHL-B
• Description: EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3
• Manufacturer: Atmel

Specifications of AT25256B-SSHL-B

• Memory Size: 256Kbit
• Memory Configuration: 32768 X 8
• Interface Type: Serial, SPI
• Clock Frequency: 3MHz
• Supply Voltage Range: 1.8V To 5.5V
• Memory Case Style: SOIC
• No. Of Pins: 8
• Rohs Compliant: Yes
• Density: 256Kb
• Organization: 32Kx8
• Access Time (max): 80ns
• Frequency (max): 5MHz
• Write Protection: Yes
• Data Retention: 100Year
• Operating Supply Voltage (typ): 2.5/3.3/5V
• Package Type: SOIC
• Operating Temp Range: -40C to 85C
• Supply Current: 10mA
• Operating Supply Voltage (min): 1.8V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 1-2.
Applicable over recommended operating range from T
V
Notes:
Table 1-3.
Applicable over recommended operating range from T
CL = 1 TTL Gate and 30 pF (unless otherwise noted)
4
Symbol
V
V
V
I
I
I
I
I
I
I
I
V
V
V
V
V
V
Symbol
f
t
t
t
CC
CC1
CC2
CC3
SB1
SB2
SB3
IL
OL
SCK
RI
FI
WH
OL1
OH1
OL2
OH2
CC1
CC2
CC3
IL
IH
(1)
(1)
= +1.8V to +5.5V(unless otherwise noted)
1. V
AT25128B/256B [Preliminary]
IL
Parameter
Supply Voltage
Supply Voltage
Supply Voltage
Supply Current
Supply Current
Supply Current
Standby Current
Standby Current
Standby Current
Input Current
Output Leakage
Input Low-voltage
Input High-voltage
Output Low-voltage
Output High-voltage
Output Low-voltage
Output High-voltage
min and V
DC Characteristics
AC Characteristics
Parameter
SCK Clock Frequency
Input Rise Time
Input Fall Time
SCK High Time
IH
max are reference only and are not tested.
Test Condition
V
V
V
V
V
V
V
V
3.6V ≤ V
1.8V ≤ V
CC
CC
CC
CC
CC
CC
IN
IN
= 0V to V
= 0V to V
= 5.0V at 20 MHz, SO = Open, Read
= 5.0V at 10 MHz, SO = Open, Read, Write
= 5.0V at 1 MHz, SO = Open, Read, Write
= 1.8V, CS = V
= 2.5V, CS = V
= 5.0V, CS = V
CC
CC
≤ 5.5V
≤ 3.6V
CC
CC
, T
Voltage
4.5–5.5
2.5–5.5
1.8–5.5
4.5–5.5
2.5–5.5
1.8–5.5
4.5–5.5
2.5–5.5
1.8–5.5
4.5–5.5
2.5–5.5
1.8–5.5
AC
CC
CC
CC
= 0°C to 70°C
A
A
= • 40°C to +85°C, V
=
–
I
I
I
I
OL
OH
OL
OH
40°C to + 85°C, V
= 3.0 mA
= 0.15 mA
= − 1.6 mA
= − 100 µA
Min
20
40
80
0
0
0
CC
CC
= +1.8V to +5.5V,
= As Specified,
V
V
V
CC
CC
CC
–3.0
–3.0
–1.0
Min
1.8
2.5
4.5
x 0.7
- 0.8
- 0.2
Max
Typ
20
10
9.0
5.0
2.2
0.2
0.5
2.0
5
2
2
2
2
2
2
V
V
CC
CC
Max
10.0
5.5
5.5
5.5
7.0
3.5
3.0
3.0
5.0
3.0
3.0
0.4
0.2
x 0.3
+ 0.5
8593C–SEEPR–8/09
Units
MHz
µs
µs
ns
Units
mA
mA
mA
µA
µA
µA
µA
µA
V
V
V
V
V
V
V
V
V