鈩?/div>
compatible
鈥?100 kHz (2.5V) and 400 kHz (5V) compatibility
鈥?Self-timed ERASE and WRITE cycles
鈥?Power on/off data protection circuitry
鈥?1,000,000 ERASE/WRITE cycles guaranteed
鈥?32 byte page or byte write modes available
鈥?Schmitt trigger inputs for noise suppression
鈥?Output slope control to eliminate ground bounce
鈥?2 ms typical write cycle time, byte or page
鈥?Electrostatic discharge protection > 4000V
鈥?Data retention > 200 years
鈥?8-pin PDIP and SOIC packages
鈥?Temperature ranges:
- Commercial:
0藲C
to
+70藲C
V
DD
V
SS
SCL
SDA
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.
BLOCK DIAGRAM
HV GENERATOR
I/O
CONTROL
LOGIC
MEMORY
CONTROL
LOGIC
XDEC
EEPROM
ARRAY
PAGE LATCHES
I/O
SCL
YDEC
SDA
V
CC
V
SS
SENSE AMP
R/W CONTROL
I
2
C is a trademark of Philips Corporation.
漏
1997 Microchip Technology Inc.
DS21225A-page 1