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AT24C64SC Datasheet

  • AT24C64SC

  • AT24C32SC/64SC [Updated 10/00. 12 Pages] 2-wire. 32K and 64K...

  • 12頁(yè)

  • ETC

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Features
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Low-voltage and Standard-voltage Operation
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鈥?5.0 (V
CC
= 4.5V to 5.5V)
鈥?2.7 (V
CC
= 2.7V to 5.5V)
Internally Organized 4096 x 8, 8192 x 8
2-wire Serial Interface
Schmitt Trigger, Filtered Inputs for Noise Suppression
Bi-directional Data Transfer Protocol
100 kHz (2.7V) and 400 kHz (5V) Compatibility
32-byte Page Write Mode (Partial Page Writes Allowed)
Self-timed Write Cycle (10 ms max)
High Reliability
鈥?Endurance: 1 Million Write Cycles
鈥?Data Retention: 100 Years
鈥?ESD Protection: >3,000V
Description
The AT24C32SC/64SC provides 32,768/65,536 bits of serial electrically erasable and
programmable read only memory (EEPROM) organized as 4096/8192 words of 8 bits
each. The devices are optimized for use in smart card applications where low-power
and low-voltage operation may be essential. The devices are available in several
standard ISO 7816 smart card modules (see Ordering Information). The entire family
is available in both high-voltage (4.5V to 5.5V) and low-voltage (2.7V to 5.5V)
versions. All devices are functionally equivalent to Atmel Serial EEPROM products
offered in standard IC packages (PDIP, SOIC, EIAJ, LAP), with the exception of the
slave address and Write Protect functions which are not required for smart card
applications.
2-wire
Serial EEPROM
Smart Card
Modules
32K (4096 x 8)
64K (8192 x 8)
AT24C32SC
AT24C64SC
Pin Configurations
Pad Name
VCC
GND
SCL
SDA
NC
Description
Power Supply Voltage
Ground
Serial Clock Input
Serial Data Input/Output
No Connect
ISO Module Contact
C1
C5
C3
C7
C2, C4, C6, C8
Card Module Contact
VCC
NC
Rev. 1660A鈥?0/00
1

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