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24FC32-SM Datasheet

  • 24FC32-SM

  • 32K 5.0V 1 MHz I 2 C Smart Serial EEPROM

  • 102.49KB

  • 12頁

  • MICROCHIP   MICROCHIP

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24FC32
32K 5.0V 1 MHz I
2
C
鈩?/div>
Smart Serial
鈩?/div>
EEPROM
FEATURES
鈥?Voltage operating range: 4.5V to 5.5V
- Maximum write current 3 mA at 5.5V
- Maximum read current 150
碌
A at 5.5V
- Standby current 1
碌
A typical
鈥?1 MHz SE2.bus two wire protocol
鈥?Self-timed write cycle (including auto-erase)
鈥?Power on/off data protection circuitry
鈥?Endurance:
- 10,000,000 Erase/Write cycles guaranteed
for a 4K block
- 1,000,000 E/W cycles guaranteed for a 28K
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 inputs for noise suppression
鈥?2 ms typical write cycle time, byte or page
鈥?Up to 8 chips 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藲C to +70藲C
- Industrial (I):
-40藲C to
+85藲C
PACKAGE TYPES
PDIP
A0
A1
A2
V
SS
SOIC
A0
A1
A2
V
SS
1
24FC32
2
3
4
8
7
6
5
V
CC
NC
SCL
SDA
1
24FC32
2
3
4
8
7
6
5
V
CC
NC
SCL
SDA
BLOCK DIAGRAM
A0..A2
HV GENERATOR
DESCRIPTION
The Microchip Technology Inc. 24FC32 is a 4K x 8 (32K
bit) Serial Electrically Erasable PROM (EEPROM) with
a high-speed 1 MHz SE2.bus whose protocol is
functionally equivalent to the industry-standard I
2
C bus.
This device has been developed for advanced, low
power applications such as personal communications
or data acquisition. The 24FC32 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
frequently. The 24FC32 is capable of both random and
sequential reads up to the 32K boundary. Functional
address lines allow up to 8 - 24FC32 devices on the
same bus, for up to 256K bits address space. The
24FC32 is available in the standard 8-pin plastic DIP
and 8-pin surface mount SOIC package.
I/O
CONTROL
LOGIC
I/O
SCL
SDA
MEMORY
CONTROL
LOGIC
XDEC
EEPROM
ARRAY
PAGE LATCHES
CACHE
YDEC
V
CC
V
SS
SENSE AMP
R/W CONTROL
I
2
C is a trademark of Philips Corporation.
Smart Serial is a trademark of Microchip Technology Inc.
漏
1996 Microchip Technology Inc.
DS21126B-page 3-1
This document was created with FrameMaker 4 0 4

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