AT25010A-10TQ-2.7 ATMEL [ATMEL Corporation], AT25010A-10TQ-2.7 Datasheet

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AT25010A-10TQ-2.7

Manufacturer Part Number
AT25010A-10TQ-2.7
Description
SPI Automotive Temperature Serial EEPROMs 1K (128 x 8) 2K (256 x 8) 4K (512 x 8)
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT25010A-10TQ-2.7
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Features
Description
The AT25010A/020A/040A provides 1024/2048/4096 bits of serial electrically-eras-
able programmable read-only memory (EEPROM) organized as 128/256/512 words of
8 bits each. The device is optimized for use in many automotive applications where
low-power and low-voltage operation are essential. The AT25010A/020A/040A is
available in space-saving 8-lead JEDEC SOIC and 8-lead TSSOP packages.
The AT25010A/020A/040A is enabled through the Chip Select pin (CS) and accessed
via a three-wire interface consisting of Serial Data Input (SI), Serial Data Output (SO),
and Serial Clock (SCK). All programming cycles are completely self-timed, and no
separate erase cycle is required before write.
Block write protection is enabled by programming the status register with one of four
blocks of write protection. Separate program enable and program disable instructions
are provided for additional data protection. Hardware data protection is provided via
the WP pin to protect against inadvertent write attempts. The HOLD pin may be used
to suspend any serial communication without resetting the serial sequence.
Table 1. Pin Configurations
Pin Name
CS
SCK
SI
SO
GND
VCC
WP
HOLD
Serial Peripheral Interface (SPI) Compatible
Supports SPI Modes 0 (0,0) and 3 (1,1)
Medium-voltage and Standard-voltage Operation
Extended Temperature Range −40°C to +125°C
5.0 MHz Clock Rate
8-byte Page Mode
Block Write Protection
Write Protect (WP) Pin and Write Disable Instructions for Both Hardware and Software
Data Protection
Self-timed Write Cycle (10 ms max)
High Reliability
8-lead JEDEC SOIC and 8-lead TSSOP Packages
– Data Sheet Describes Mode 0 Operation
– 2.7 (V
– Protect 1/4, 1/2, or Entire Array
– Endurance: One Million Write Cycles
– Data Retention: 100 Years
CC
Function
Chip Select
Serial Data Clock
Serial Data Input
Serial Data Output
Ground
Power Supply
Write Protect
Suspends Serial Input
= 2.7V to 5.5V)
GND
GND
WP
WP
CS
SO
SO
CS
8-lead TSSOP
8-lead SOIC
1
2
3
4
1
2
3
4
8
7
6
5
8
7
6
5
VCC
HOLD
SCK
SI
VCC
HOLD
SCK
SI
SPI Automotive
Temperature
Serial
EEPROMs
1K (128 x 8)
2K (256 x 8)
4K (512 x 8)
AT25010A
AT25020A
AT25040A
5087D–SEEPR–3/07
1

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