鈩?/div>
Serial EEPROMs for Smart Cards
FEATURES
鈥?ISO Standard 7816 pad locations
鈥?Low power CMOS technology
- 1 mA active current typical
- 10 碌A standby current typical at 5.5V
鈥?Organized as a single block of 128 bytes (128 x 8)
or 256 bytes (256 x 8)
鈥?2-wire serial interface bus, I
2
C鈩?compatible
鈥?100 kHz and 400 kHz compatibility
鈥?Self-timed write cycle (including auto-erase)
鈥?Page-write buffer for up to 8 bytes
鈥?2 ms typical write cycle time for page-write
鈥?ESD protection > 4 kV
鈥?1,000,000 E/W cycles guaranteed
鈥?Data retention > 200 years
鈥?Available for extended temperature ranges
- Commercial (C):
0擄C to +70擄C
DIE LAYOUT
V
SS
V
CC
SDA
DC
SCL
BLOCK DIAGRAM
HV GENERATOR
DESCRIPTION
The Microchip Technology Inc. 24C01SC and
24C02SC are 1K-bit and 2K-bit Electrically Erasable
PROMs with bondpad positions optimized for smart
card applications. The devices are organized as a sin-
gle block of 128 x 8-bit or 256 x 8-bit memory with a
two-wire serial interface. The 24C01SC and 24C02SC
also have page-write capability for up to 8 bytes of data.
I/O
CONTROL
LOGIC
MEMORY
CONTROL
LOGIC
XDEC
EEPROM
ARRAY
PAGE LATCHES
SDA SCL
YDEC
V
CC
V
SS
SENSE AMP
R/W CONTROL
I
2
C is a trademark of Philips Corporation.
漏
1999 Microchip Technology Inc.
DS21170D-page 1