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24AA32A-SN Datasheet

  • 24AA32A-SN

  • 32K 1.8V I 2 C O Serial EEPROM

  • 12頁

  • MICROCHIP   MICROCHIP

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24AA32A
32K 1.8V I
2
C
鈩?/div>
Serial EEPROM
FEATURES
鈥?Single supply with operation down to 1.8V
- Maximum write current 3 mA at 6.0V
- Standby current 1
碌
A max at 1.8V
鈥?2-wire serial interface bus, I
2
C
鈩?/div>
compatible
鈥?100 kHz (1.8V) and 400 kHz (5V) compatibility
鈥?Self-timed ERASE and WRITE cycles
鈥?Power on/off data protection circuitry
鈥?Hardware write protect
鈥?1,000,000 Erase/Write cycles guaranteed
鈥?32 byte page or byte write modes available
鈥?Schmitt trigger inputs for noise suppression
鈥?Output slope control to eliminate ground bounce
鈥?2 ms typical write cycle time, byte or page
鈥?Up to eight devices may be connected to the
same bus for up to 256K bits total memory
鈥?Electrostatic discharge protection > 4000V
鈥?Data retention > 200 years
鈥?8-pin PDIP and SOIC packages
鈥?Temperature ranges
- Commercial (C):
0
擄
C to +70
擄
C
PACKAGE TYPE
PDIP
A0
A1
A2
Vss
1
24AA32A
2
3
4
8
7
6
5
Vcc
WP
SCL
SDA
SOIC
A0
A1
A2
1
24AA32A
2
3
4
8
7
6
5
Vcc
WP
SCL
SDA
DESCRIPTION
The Microchip Technology Inc. 24AA32A is a 4K x 8
(32K bit) Serial Electrically Erasable PROM capable of
operation across a broad voltage range (1.8V to 6.0V).
It has been developed for advanced, low power applica-
tions such as personal communications or data acqui-
sition. The 24AA32A also has a page-write capability of
up to 32 bytes of data. The 24AA32A is capable of both
random and sequential reads up to the 32K boundary.
Functional address lines allow up to eight 24AA32A
devices on the same bus, for up to 256K bits address
space. Advanced CMOS technology and broad voltage
range make this device ideal for low-power/low-voltage,
nonvolatile code and data applications. The 24AA32A
is available in the standard 8-pin plastic DIP and both
150 mil and 200 mil SOIC packages.
Vss
BLOCK DIAGRAM
A0..A2
WP
WP
HV GENERATOR
I/O
CONTROL
LOGIC
MEMORY
CONTROL
LOGIC
XDEC
EEPROM
ARRAY
PAGE LATCHES
I/O
SCL
YDEC
SDA
V
CC
V
SS
SENSE AMP
R/W CONTROL
I
2
C is a trademark of Philips Corporation.
漏
1996 Microchip Technology Inc.
Preliminary
This document was created with FrameMaker 4 0 4
DS21162B-page 1

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