24LC32

Manufacturer Part Number24LC32
Description24LC3232K I 2 C Serial EEPROM in ISO Micromodule
ManufacturerMicrochip Technology Inc.
24LC32 datasheet
 


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M
24LC32A MODULE
2
32K I
C™ Serial EEPROM in ISO Micromodule
FEATURES
• ISO 7816 compliant contact locations
• Single supply with operation down to 2.5V
- Maximum write current 3 mA at 6.0V
- Maximum read current 150 A at 6.0V
- Standby current 1 A max at 2.5V
• Two wire serial interface bus, I
2
C
• 100 kHz (2.5V) and 400 kHz (5V) compatibility
• Self-timed ERASE and WRITE cycles
• Power on/off data protection circuitry
• 1,000,000 ERASE/WRITE cycles guaranteed
• 32 byte page or byte write modes available
• Schmitt trigger inputs for noise suppression
• Output slope control to eliminate ground bounce
• 2 ms typical write cycle time, byte or page
• Electrostatic discharge protection > 4000V
• Data retention > 200 years
• 8-pin PDIP and SOIC packages
• Temperature ranges:
- Commercial:
0˚C
to
+70˚C
DESCRIPTION
The Microchip Technology Inc. 24LC32A is a 4K x 8
(32K bit) Serial Electrically Erasable PROM in an ISO
micromodule for use in smart card applications. The
device has a page-write capability of up to 32 bytes.
2
I
C is a trademark of Philips Corporation.
1997 Microchip Technology Inc.
ISO MODULE LAYOUT
compatible
BLOCK DIAGRAM
I/O
CONTROL
LOGIC
I/O
SCL
SDA
V
CC
V
SS
V
V
SS
DD
SCL
SDA
HV GENERATOR
MEMORY
EEPROM
CONTROL
XDEC
ARRAY
LOGIC
PAGE LATCHES
YDEC
SENSE AMP
R/W CONTROL
DS21225A-page 1

24LC32 Summary of contents