AT45DB642-TI Atmel, AT45DB642-TI Datasheet - Page 18

• Manufacturer Part Number: AT45DB642-TI
• Description: IC FLASH 64MBIT 20MHZ 40TSOP
• Manufacturer: Atmel

Specifications of AT45DB642-TI

• Format - Memory: FLASH
• Memory Type: DataFLASH
• Memory Size: 64M (8192 pages x 1056 bytes)
• Speed: 20MHz Serial/5MHz Parallel
• Interface: Parallel/Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-TSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Reset Timing (Inactive Clock Polarity Low Shown)
CS
tREC
tCSS
SCK/CLK
tRST
RESET
HIGH IMPEDANCE
HIGH IMPEDANCE
SO or I/O7 - I/O0
(OUTPUT)
SI or I/O7 - I/O0
(INPUT)
Note:
The CS signal should be in the high state before the RESET signal is deasserted.
Serial/Parallel Interface Timing
CS
SER/PAR
t
t
SPH
SPS
Command Sequence for Read/Write Operations (Except Status Register Read)
SI or I/O7 - I/O0
CMD
8 bits
8 bits
8 bits
(INPUT)
MSB
X X X X X X X X
X X X X X X X X
X X X X X X X X
LSB
Page Address
Byte/Buffer Address
(PA12 - PA0)
(BA10 - BA0/BFA10 - BFA0)
AT45DB642
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1638F–DFLSH–09/02