24AA02 MICROCHIP [Microchip Technology], 24AA02 Datasheet

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24AA02

Manufacturer Part Number
24AA02
Description
1K/2K 1.8V I 2 C O Serial EEPROMs
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet

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FEATURES
• Single supply with operation down to 1.8V
• Low power CMOS technology
• Organized as a single block of 128 bytes (128 x 8)
• 2-wire serial interface bus, I
• Schmitt trigger, filtered inputs for noise suppres-
• Output slope control to eliminate ground bounce
• 100 kHz (1.8V) and 400 kHz (5V) compatibility
• Self-timed write cycle (including auto-erase)
• Page-write buffer for up to 8 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 > 3,000V
• 10,000,000 ERASE/WRITE cycles guaranteed on
• 1,000,000 ERASE/WRITE cycles guaranteed on
• Data retention > 200 years
• 8-pin DIP or SOIC package
• Available for extended temperature ranges
DESCRIPTION
The Microchip Technology Inc. 24AA01 and 24AA02
are 1K bit and 2K bit Electrically Erasable PROMs. The
devices are organized as a single block of 128 x 8-bit or
256 x 8-bit memory with a two wire serial interface.
Low-voltage design permits operation down to 1.8 volts
with standby and active currents of only 3 A and 1 mA,
respectively. The 24AA01 and 24AA02 also have page-
write capability for up to 8 bytes of data. The 24AA01
and 24AA02 are available in the standard 8-pin DIP and
8-pin surface mount SOIC packages.
I
2
C is a trademark of Philips Corporation.
1996 Microchip Technology Inc.
- 1 mA active current typical
- 10 A standby current typical at 5.5V
- 3 A standby current typical at 1.8V
or 256 bytes (256 x 8)
sion
24AA01
24AA02
- Commercial (C):
- Industrial (I)
1K/2K 1.8V I
-40 C to +85 C
0 C to +70 C
2
C
This document was created with FrameMaker 4 0 4
compatible
2
C Serial EEPROMs
PACKAGE TYPES
BLOCK DIAGRAM
SDA
CONTROL
V
V
LOGIC
CC
SS
I/O
PDIP
SOIC
24AA01/02
SCL
V
A0
A1
A2
V
SS
A0
A1
A2
WP
SS
CONTROL
MEMORY
LOGIC
1
2
3
4
1
2
3
4
XDEC
8
7
6
5
8
7
6
5
DS21052F-page 1
HV GENERATOR
PAGE LATCHES
R/W CONTROL
SENSE AMP
EEPROM
V
WP
SCL
SDA
ARRAY
YDEC
CC
V
WP
SCL
SDA
CC

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24AA02 Summary of contents

Page 1

... Low-voltage design permits operation down to 1.8 volts with standby and active currents of only 3 A and 1 mA, respectively. The 24AA01 and 24AA02 also have page- write capability for bytes of data. The 24AA01 and 24AA02 are available in the standard 8-pin DIP and 8-pin surface mount SOIC packages trademark of Philips Corporation ...

Page 2

ELECTRICAL CHARACTERISTICS 1.1 Maximum Ratings* V ...................................................................................7.0V CC All inputs and outputs w.r.t. V ............... -0. Storage temperature .....................................- +150 C Ambient temp. with power applied ............. - +125 CC Soldering ...

Page 3

... Write cycle time Twr Endurance 24AA01 — 24AA02 Note 1: Not 100% tested total capacitance of one bus line in pF transmitter, the device must provide an internal minimum delay time to bridge the undefined region (minimum 300 ns) of the falling edge of SCL to avoid unintended generation of START or STOP conditions. ...

Page 4

FUNCTIONAL DESCRIPTION The 24AA01/02 supports a bi directional 2-wire bus and data transmission protocol. A device that sends data onto the bus is defined as transmitter, and a device receiving data as receiver. The bus has to be ...

Page 5

... Device Address The 24AA01/02 are software-compatible with older devices such as 24C01A, 24C02A, 24LC01, and 24LC02. A single 24AA02 can be used in place of two 24LC01's, for example, without any modifications to software. The “chip select” portion of the control byte becomes a don't care. After generating a START condition, the bus master ...

Page 6

... To provide sequential reads the 24AA01/02 contains an internal address pointer which is incremented by one at the completion of each operation. This address pointer allows the entire memory contents to be serially read during one operation. 7.4 Noise Protection The 24AA01/02 employs a V ...

Page 7

... SS (read/write the entire memory). If tied WRITE operations are inhibited. The CC entire memory will be write-protected. Read operations are not affected. This feature allows the user to use the 24AA01/ serial ROM when WP is enabled (tied to V 8.4 A0, A1, A2 These pins are not used by the 24AA01/02. They may be left fl ...

Page 8

NOTES: DS21052F-page 8 1996 Microchip Technology Inc. ...

Page 9

NOTES: 1996 Microchip Technology Inc. 24AA01/02 DS21052F-page 9 ...

Page 10

NOTES: DS21052F-page 10 1996 Microchip Technology Inc. ...

Page 11

... SN = Plastic SOIC (150 mil Body), 8-lead SM = Plastic SOIC (207 mil Body), 8-lead Blank = + - + 24AA01 1.8V Serial EEPROM 2 24AA01T 1.8V Serial EEPROM (Tape and Reel) 2 24AA02 1.8V Serial EEPROM 2 24AA02T 1.8V Serial EEPROM (Tape and Reel) DS21052F-page 11 ...

Page 12

W ORLDWIDE AMERICAS Corporate Office Microchip Technology Inc. 2355 West Chandler Blvd. Chandler, AZ 85224-6199 Tel: 602 786-7200 Fax: 602 786-7277 Technical Support: 602 786-7627 Web: http://www.microchip.com Atlanta Microchip Technology Inc. 500 Sugar Mill Road, Suite 200B Atlanta, GA 30350 ...

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