24C08B/16B
2 ™
8K/16K 5.0V I C Serial EEPROMs
FEATURES
PACKAGE TYPES
PDIP
• Single supply with operation from 4.5-5.5V
• Low power CMOS technology
A0
A1
1
2
8
7
VCC
WP
- 1 mA active current typical
- 10 µA standby current typical at 5.5V
• Organized as 4 or 8 blocks of 256 bytes
(4 x 256 x 8) or (8 x 256 x 8)
A2
3
4
6
5
SCL
SDA
2
• 2-wire serial interface bus, I C compatible
VSS
• Schmitt trigger, filtered inputs for noise suppres-
sion
• Output slope control to eliminate ground bounce
• 100 kHz 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
• 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 range
8-lead
SOIC
1
2
8
A0
A1
VCC
7
6
5
WP
3
4
A2
SCL
SDA
VSS
14-lead
SOIC
- Commercial (C):
- Industrial (I):
- Automotive (E):
0°C to +70°C
-40°C to +85°C
-40˚C to +125˚C
14
13
12
11
1
2
3
4
5
6
7
NC
NC
A0
VCC
WP
NC
A1
DESCRIPTION
NC
The Microchip Technology Inc. 24C08B/16B is an 8K or
16K bit Electrically Erasable PROM intended for use in
extended/automotive temperature ranges. The device
is organized as four or eight blocks of 256 x 8-bit mem-
ory with a 2-wire serial interface.The 24C08B/16B also
has a page-write capability for up to 16 bytes of data.
The 24C08B/16B is available in the standard 8-pin DIP
and both 8-lead and 14-lead surface mount SOIC pack-
ages.
10
9
SCL
SDA
NC
A2
VSS
NC
8
BLOCK DIAGRAM
WP
HV GENERATOR
I/O
CONTROL
LOGIC
MEMORY
CONTROL
LOGIC
EEPROM
ARRAY
XDEC
PAGE LATCHES
SDA
SCL
YDEC
VCC
VSS
SENSE AMP
R/W CONTROL
I2C is a trademark of Philips Corporation.
1999 Microchip Technology Inc.
DS21081F-page 1
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