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MicrochipTechnology - 4K/8K 2.5V I2C Serial EEPROMs

Numéro de référence 24CO04B-SN
Description 4K/8K 2.5V I2C Serial EEPROMs
Fabricant MicrochipTechnology 
Logo MicrochipTechnology 





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24CO04B-SN fiche technique
24LC04B/08B
4K/8K 2.5V I2CSerial EEPROMs
FEATURES
• Single supply with operation down to 2.5V
• Low power CMOS technology
- 1 mA active current typical
- 10 µA standby current typical at 5.5V
- 5 µA standby current typical at 3.0V
• Organized as two or four blocks of 256 bytes
(2 x 256 x 8) and (4 x 256 x 8)
• 2-wire serial interface bus, I2Ccompatible
• Schmitt trigger, filtered inputs for noise suppres-
sion
• Output slope control to eliminate ground bounce
• 100 kHz (2.5V) and 400 kHz (5V) compatibility
• Self-timed write cycle (including auto-erase)
• Page-write buffer for up to 16 bytes
• 2 ms typical write cycle time for page-write
• Hardware write protect for entire memory
• Can be operated as a serial ROM
• Factory programming (QTP) available
• ESD protection > 4,000V
• 1,000,000 erase/write cycles guaranteed
• Data retention > 200 years
• 8-pin DIP, 8-lead or 14-lead SOIC packages
• Available for extended temperature ranges
- Commercial (C):
- Industrial (I):
0°C to +70°C
-40°C to +85°C
DESCRIPTION
The Microchip Technology Inc. 24LC04B/08B is a 4K or
8K bit Electrically Erasable PROM. The device is orga-
nized as two or four blocks of 256 x 8-bit memory with
a 2-wire serial interface. Low voltage design permits
operation down to 2.5 volts with typical standby and
active currents of only 5 µA and 1 mA respectively. The
24LC04B/08B also has a page-write capability for up to
16 bytes of data. The 24LC04B/08B is available in the
standard 8-pin DIP and both 8-lead and 14-lead surface
mount SOIC packages.
PACKAGE TYPES
PDIP
A0 1
A1 2
A2 3
VSS 4
8-lead
SOIC
A0
A1
A2
VSS
14-lead
SOIC
NC
A0
A1
NC
A2
VSS
NC
1
2
3
4
1
2
3
4
5
6
7
8 VCC
7 WP
6 SCL
5 SDA
8 VCC
7 WP
6 SCL
5 SDA
14 NC
13 VCC
12 WP
11 NC
10 SCL
9 SDA
8 NC
BLOCK DIAGRAM
WP
HV GENERATOR
I/O
CONTROL
LOGIC
SDA SCL
MEMORY
CONTROL
LOGIC
XDEC
EEPROM ARRAY
(2 x 256 x 8) or
(4 X 256 X 8)
PAGE LATCHES
YDEC
I2C is a trademark of Philips Corporation.
VCC
V SS
SENSE AMP
R/W CONTROL
© 1996 Microchip Technology Inc.
DS21051E-page 1
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