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24AA32-SN Datasheet

  • 24AA32-SN

  • 32K 1.8V I 2 C O Smart Serial EEPROM

  • 12頁

  • MICROCHIP   MICROCHIP

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24AA32
32K 1.8V I
2
C
鈩?/div>
Smart Serial EEPROM
FEATURES
鈥?Voltage operating range: 1.8V to 6.0V
- Peak write current 3 mA at 6.0V
- Maximum read current 150
碌
A at 6.0V
- Standby current 1
碌
A typical
鈥?Industry standard two-wire bus protocol, I
2
C
鈩?/div>
compatible
- Including 100 kHz (1.8V) and 400 kHz (5V)
modes
鈥?Self-timed ERASE and WRITE cycles
鈥?Power on/off data protection circuitry
鈥?Endurance:
- 10,000,000 Erase/Write (E/W) cycles guaran-
teed for High Endurance Block
- 1,000,000 E/W cycles guaranteed for Stan-
dard Endurance Block
鈥?8 byte page, or byte modes available
鈥?1 page x 8 line input cache (64 bytes) for fast write
loads
鈥?Schmitt trigger, 鏗乴tered inputs for noise suppression
鈥?Output slope control to eliminate ground bounce
鈥?2 ms typical write cycle time, byte or page
鈥?Factory programming (QTP) available
鈥?Up to 8 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/SOIC packages
鈥?Temperature ranges
- Commercial (C):
0
擄
C to +70
擄
C
PACKAGE TYPES
PDIP
A0
A1
A2
V
SS
1
2
3
4
24AA32
8
7
6
5
V
CC
NC
SCL
SDA
SOIC
1
2
3
4
24AA32
A0
A1
A2
V
SS
8
7
6
5
V
CC
NC
SCL
SDA
BLOCK DIAGRAM
A0..A2
HV GENERATOR
DESCRIPTION
The Microchip Technology Inc. 24AA32 is a 4K x 8 (32K
bit) Serial Electrically Erasable PROM capable of oper-
ation across a broad voltage range (1.8V to 6.0V). This
device has been developed for advanced, low power
applications such as personal communications or data
acquisition. The 24AA32 features an input cache for
fast write loads with a capacity of eight 8-byte pages, or
64 bytes. It also features a 鏗亁ed 4K-bit block of ultra-
high endurance memory for data that changes fre-
quently. The 24AA32 is capable of both random and
sequential reads up to the 32K boundary. Functional
address lines allow up to 8 - 24AA32 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
I/O
CONTROL
LOGIC
MEMORY
CONTROL
LOGIC
EEPROM ARRAY
XDEC
PAGE LATCHES
I/O
SCL
Cache
SDA
V
CC
V
SS
YDEC
SENSE AMP
R/W CONTROL
and data applications. The 24AA32 is available in the
standard 8-pin plastic DIP and 8-pin surface mount
SOIC package.
I
2
C is a trademark of Philips Corporation.
漏
1996 Microchip Technology Inc.
DS21124C-page 1
This document was created with FrameMaker 4 0 4

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