AT25020B-SSHL-B Atmel, AT25020B-SSHL-B Datasheet - Page 10

• Manufacturer Part Number: AT25020B-SSHL-B
• Description: IC EEPROM 2KBIT 8SOIC
• Manufacturer: Atmel

Specifications of AT25020B-SSHL-B

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 2K (256 x 8)
• Speed: 20MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (3.9mm Width)
• Density: 2Kb
• Interface Type: Serial (SPI)
• Organization: 256x8
• Access Time (max): 80ns
• Frequency (max): 20MHz
• 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
• Memory Configuration: 256 X 8
• Clock Frequency: 20MHz
• Supply Voltage Range: 1.8V To 5.5V
• Memory Case Style: SOIC
• No. Of Pins: 8
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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Figure 4-4.
Figure 4-5.
Figure 4-6.
SCK
SCK
SCK
AT25010B/020B/040B
SO
SO
SO
CS
CS
CS
SI
SI
SI
RDSR Timing
WRSR Timing
READ Timing
0
0
0
1
INSTRUCTION
HIGH IMPEDANCE
HIGH IMPEDANCE
1
1
INSTRUCTION
HIGH IMPEDANCE
2
3
2
2
INSTRUCTION
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8
3
3
9
5
th
BIT OF ADDRESS
6
4
4
7
5
5
7 6 5 4 3 2 1 0
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
6
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BYTE ADDRESS
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7
MSB
8
8
7
7
9
9
6
6
MSB
10
10
5
5
7 6 5 4 3 2 1 0
DATA OUT
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11
4
DATA IN
4
12
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3
3
DATA OUT
13
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2
2
14
14
1
1
15
15
0
0
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