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24CO04B-SM

Description
4K/8K 2.5V I 2 C Serial EEPROMs
File Size74KB,12 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet View All

24CO04B-SM Overview

4K/8K 2.5V I 2 C Serial EEPROMs

24LC04B/08B
4K/8K 2.5V I
2
C
Serial EEPROMs
FEATURES
• Single supply with operation down to 2.5V
• Low power CMOS technology
- 1 mA active current typical
- 10
µ
A standby current typical at 5.5V
- 5
µ
A 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, I
2
C
compatible
• 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):
0
°
C to +70
°
C
- Industrial (I):
-40
°
C to +85
°
C
PACKAGE TYPES
PDIP
A0
A1
A2
V
SS
1
24LC04B/08B
2
3
4
8
7
6
5
V
CC
WP
SCL
SDA
8-lead
SOIC
A0
A1
A2
V
SS
1
24LC04B/08B
8
7
6
5
V
CC
WP
SCL
SDA
2
3
4
14-lead
SOIC
NC
A0
A1
NC
A2
V
SS
NC
1
2
3
4
5
6
7
14
13
12
11
10
9
8
NC
V
CC
WP
NC
SCL
SDA
NC
24LC04B/08B
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
µ
A 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.
BLOCK DIAGRAM
WP
HV GENERATOR
I/O
CONTROL
LOGIC
MEMORY
CONTROL
LOGIC
XDEC
EEPROM ARRAY
(2 x 256 x 8) or
(4 X 256 X 8)
PAGE LATCHES
SDA
SCL
YDEC
V
CC
V
SS
SENSE AMP
R/W CONTROL
I
2
C
is a trademark of Philips Corporation.
©
1996 Microchip Technology Inc.
DS21051E-page 1
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