AT45DB321D-TU Atmel, AT45DB321D-TU Datasheet - Page 26

• Manufacturer Part Number: AT45DB321D-TU
• Description: IC FLASH 32MBIT 66MHZ 28TSOP
• Manufacturer: Atmel

Specifications of AT45DB321D-TU

• Format - Memory: FLASH
• Memory Type: DataFLASH
• Memory Size: 32M (8192 pages x 528 bytes)
• Speed: 66MHz
• Interface: SPI, RapidS
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-TSOP
• Architecture: Sectored
• Interface Type: SPI
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Current: 15 mA
• Mounting Style: SMD/SMT
• Organization: 528 B x 8192
• Memory Configuration: 8192 Pages X 528 Bytes
• Clock Frequency: 20MHz
• Supply Voltage Range: 2.7V To 3.6V
• Memory Case Style: TSOP
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

14.1
14.1.1
14.1.2
14.1.3
14.1.4
Note:
26
Value
Value
Value
Value
Hex
1FH
Hex
27H
Hex
00H
Hex
00H
Manufacturer and Device ID Information
Based on JEDEC publication 106 (JEP106), Manufacturer ID data can be comprised of any number of bytes. Some manufacturers may have
Manufacturer ID codes that are two, three or even four bytes long with the first byte(s) in the sequence being 7FH. A system should detect code
7FH as a “Continuation Code” and continue to read Manufacturer ID bytes. The first non-7FH byte would signify the last byte of Manufacturer ID
data. For Atmel (and some other manufacturers), the Manufacturer ID data is comprised of only one byte.
Bit 7
Bit 7
Bit 7
Bit 7
AT45DB321D [Preliminary]
Byte 1 – Manufacturer ID
Byte 2 – Device ID (Part 1)
Byte 3 – Device ID (Part 2)
Byte 4 – Extended Device Information String Length
0
0
0
0
CS
SO
SI
Family Code
MLC Code
Bit 6
Bit 6
Bit 6
Bit 6
0
0
0
0
Each transition
represents 8 bits
Bit 5
Bit 5
Bit 5
Bit 5
0
1
0
0
Deasserting the CS pin will terminate the Manufacturer and Device ID Read operation and put
the SO pin into a high-impedance state. The CS pin can be deasserted at any time and does not
require that a full byte of data be read.
JEDEC Assigned Code
Opcode
9FH
Bit 4
Bit 4
Bit 4
Bit 4
Byte Count
1
0
0
0
Manufacturer ID
Product Version Code
Bit 3
Bit 3
Bit 3
Bit 3
Byte 1
1FH
1
0
0
0
Density Code
Bit 2
Bit 2
Bit 2
Bit 2
1
1
0
0
Device ID
Byte 2
27H
Bit 1
Bit 1
Bit 1
Bit 1
1
1
0
0
Bit 0
Bit 0
Bit 0
Bit 0
Device ID
1
1
1
0
Byte 3
00H
String Length
Information
Extended
Device
01H
Manufacturer ID
Family Code
Density Code
MLC Code
Product Version
Byte Count
if the Extended Device Information String Length
This information would only be output
value was something other than 00H.
Information
Extended
Device
Byte x
Data
Information
Byte x + 1
Extended
Device
1FH = Atmel
00111 = 32-Mbit
00001 = Second Version
00H = 0 Bytes of Information
Data
001 = DataFlash
000 = 1-bit/Cell Technology
3597H–DFLASH–02/07