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MicrochipTechnology - 64K 5.0V I2C Smart Serial EEPROM

Numéro de référence 24C65-P
Description 64K 5.0V I2C Smart Serial EEPROM
Fabricant MicrochipTechnology 
Logo MicrochipTechnology 





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24C65-P fiche technique
24C65
64K 5.0V I2CSmart SerialEEPROM
FEATURES
• Voltage operating range: 4.5V to 5.5V
- Peak write current 3 mA at 5.5V
- Maximum read current 150 µA at 5.5V
- Standby current 1 µA typical
• Industry standard two-wire bus protocol, I2C
compatible
• 8 byte page, or byte modes available
• 2 ms typical write cycle time, byte or page
• 64-byte input cache for fast write loads
• Up to eight devices may be connected to the
same bus for up to 512K bits total memory
• Including 400 KHz compatibility
• Programmable block security options
• Programmable endurance options
• Schmitt trigger, filtered inputs for noise suppres-
sion
• Output slope control to eliminate ground bounce
• Self-timed ERASE and WRITE cycles
• Power on/off data protection circuitry
• Endurance:
- 10,000,000 E/W cycles guaranteed for High
Endurance Block
- 100,000 E/W cycles guaranteed for a Stan-
dard Endurance Block
• Electrostatic discharge protection > 4000V
• Data retention > 200 years
• 8-pin PDIP/SOIC packages
• Temperature ranges
- Commercial (C):
0°C to +70°C
- Industrial (I)
-40°C to +85°C
- Automotive (E):
-40°C to +125°C
DESCRIPTION
The Microchip Technology Inc. 24C65 is a “smart” 8K x
8 Serial Electrically Erasable PROM (EEPROM). This
device has been developed for advanced, low power
applications such as personal communications, and
provides the systems designer with flexibility through
the use of many new user-programmable features. The
24C65 offers a relocatable 4K bit block of
ultra-high-endurance memory for data that changes
frequently. The remainder of the array, or 60K bits, is
rated at 1,000,000 ERASE/WRITE (E/W) cycles guar-
anteed. The 24C65 features an input cache for fast
write loads with a capacity of eight pages, or 64 bytes.
This device also features programmable security
I2C is a trademark of Philips Corporation.
Smart Serial is a trademark of Microchip Technology Inc.
PACKAGE TYPES
PDIP
A0 1
A1 2
A2 3
VSS 4
8 VCC
7 NC
6 SCL
5 SDA
SOIC
A0
A1
A2
VSS
1
2
3
4
8 VCC
7 NC
6 SCL
9 SDA
BLOCK DIAGRAM
A0..A2
HV Generator
I/O
Control
Logic
I/O SCL
SDA
Vcc
Vss
Memory
Control
Logic
XDEC
EEPROM ARRAY
Page Latches
Cache
YDEC
Sense AMP
R/W Control
options for E/W protection of critical data and/or code of
up to fifteen 4K blocks. Functional address lines allow
the connection of up to eight 24C65's on the same bus
for up to 512K bits contiguous EEPROM memory.
Advanced CMOS technology makes this device ideal
for low-power nonvolatile code and data applications.
The 24C65 is available in the standard 8-pin plastic DIP
and 8-pin surface mount SOIC package.
© 1996 Microchip Technology Inc.
DS21058G-page 1
This document was created with FrameMaker 4 0 4

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