AT45DB021D-SH-T Atmel, AT45DB021D-SH-T Datasheet - Page 24

• Manufacturer Part Number: AT45DB021D-SH-T
• Description: IC FLASH 2MBIT 66MHZ 8SOIC
• Manufacturer: Atmel

Specifications of AT45DB021D-SH-T

• Format - Memory: FLASH
• Memory Type: DataFLASH
• Memory Size: 2M (1024 pages x 264 bytes)
• Speed: 66MHz
• Interface: SPI, RapidS
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
• Cell Type: NOR
• Density: 2Mb
• Access Time (max): 6ns
• Interface Type: Serial (SPI)
• Boot Type: Not Required
• Address Bus: 1b
• Operating Supply Voltage (typ): 3/3.3V
• Operating Temp Range: -40C to 85C
• Package Type: SOIC EIAJ
• Program/erase Volt (typ): 2.7 to 3.6V
• Sync/async: Synchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Word Size: 8b
• Number Of Words: 256K
• Supply Current: 15mA
• Mounting: Surface Mount
• Pin Count: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

13.
24
Command Tables
Table 13-1.
Table 13-2.
Table 13-3.
Command
Main Memory Page Read
Continuous Array Read (Legacy Command)
Continuous Array Read (Low Frequency)
Continuous Array Read (High Frequency)
Buffer Read (Low Frequency)
Buffer Read
Command
Buffer Write
Buffer to Main Memory Page Program with Built-in Erase
Buffer to Main Memory Page Program without Built-in Erase
Page Erase
Block Erase
Sector Erase
Chip Erase
Main Memory Page Program through Buffer
Command
Enable Sector Protection
Disable Sector Protection
Erase Sector Protection Register
Program Sector Protection Register
Read Sector Protection Register
Sector Lockdown
Read Sector Lockdown Register
Program Security Register
Read Security Register
Atmel AT45DB021D
Read Commands
Program and Erase Commands
Protection and Security Commands
3DH + 2AH + 7FH + CFH
3DH + 2AH + 7FH + FCH
3DH + 2AH + 7FH + A9H
3DH + 2AH + 7FH + 9AH
3DH + 2AH + 7FH + 30H
9BH + 00H + 00H + 00H
7CH, 94H, 80H, 9AH
Opcode
32H
35H
77H
Opcode
Opcode
7CH
D2H
E8H
0BH
D1H
D4H
03H
84H
83H
88H
81H
50H
82H
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