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24FC65-SM Datasheet

  • 24FC65-SM

  • 64K 5.0V 1 MHz I 2 C Smart Serial EEPROM

  • 16頁

  • MICROCHIP   MICROCHIP

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24FC65
64K 5.0V 1 MHz I
2
C
鈩?/div>
Smart Serial
鈩?/div>
EEPROM
PACKAGE TYPES
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?Up to eight devices may be connected to the
same bus for up to 512K bits total memory
鈥?Programmable block security options
鈥?Programmable endurance options
鈥?Schmitt trigger inputs for noise suppression
鈥?Self-timed ERASE and WRITE cycles
鈥?Power on/off data protection circuitry
鈥?Endurance:
- 10,000,000 E/W cycles guaranteed for a 4K
block
- 1,000,000 E/W cycles guaranteed for a 60K
block
鈥?Variable page size up to 64 bytes
鈥?8 byte x 8 line input cache (64 bytes)
for fast write loads
鈥?<3 ms typical write cycle time, byte or page
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
- Industrial (I):
-40
擄
C to +85
擄
C
PDIP
A0
A1
A2
V
SS
1
2
3
4
24FC65
8
7
6
5
V
CC
NC
SCL
SDA
SOIC
A0
A1
A2
V
SS
1
2
3
4
24FC65
8
7
6
5
V
CC
NC
SCL
SDA
BLOCK DIAGRAM
A0..A2
HV GENERATOR
I/O
CONTROL
LOGIC
I/O
MEMORY
CONTROL
LOGIC
XDEC
EEPROM
ARRAY
PAGE LATCHES
DESCRIPTION
The Microchip Technology Inc. 24FC65 is a 鈥渟mart鈥?/div>
8K 8x 8 Serial Electrically Erasable PROM (EEPROM)
with a high-speed 1MHz SE2.bus whose protocol is
functionally equivalent to the industry-standard I
2
C bus.
This device has been developed for advanced applica-
tions such as personal communications, and provides
the systems designer with 鏗俥xibility through the use of
many new user-programmable features. The 24FC65
offers a relocatable 4K-bit block of ultra-high-endurance
memory for data that changes frequently. The remain-
der of the array, or 60K bits, is rated at 1,000,000
ERASE/WRITE (E/W) cycles guaranteed. The 24FC65
features an input cache for fast write loads with a
capacity of eight pages, or 64 bytes. This device also
features programmable security options for E/W pro-
SCL
CACHE
SDA
YDEC
Vcc
Vss
SENSE AMP
R/W CONTROL
tection of critical data and/or code of up to 鏗乫teen 4K
blocks. Functional address lines allow the connection of
up to eight 24FC65's on the same bus for up to 512K bits
contiguous EEPROM memory. The 24FC65 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.
Smart Serial is a trademark of Microchip Technology Inc.
漏
1996 Microchip Technology Inc.
DS21125B-page 1
This document was created with FrameMaker 4 0 4

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