鈩?/div>
compatible
鈥?8 byte page, or byte modes available
鈥?2 ms typical write cycle time, byte or page
鈥?64-byte line input cache for fast write loads
鈥?Up to 8 devices may be connected to the same
bus for up to 512K bits total memory
鈥?100 kHz (1.8V) and 400 kHz (5.0V) compatibility
鈥?Programmable block security options
鈥?Programmable endurance options
鈥?Schmitt trigger, 鏗乴tered inputs for noise suppres-
sion
鈥?Output slope control to eliminate ground bounce
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 High
Endurance Block
- 1,000,000 E/W cycles guaranteed for a Stan-
dard Endurance Block
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
24AA65
8
7
6
5
V
CC
NC
SCL
SDA
SOIC
A0
A1
A2
V
SS
1
2
3
4
24AA65
8
7
6
5
V
CC
NC
SCL
SDA
BLOCK DIAGRAM
A0..A2
HV Generator
I/O
Control
Logic
Memory
Control
Logic
XDEC
EEPROM ARRAY
Page Latches
Buffer
DESCRIPTION
The Microchip Technology Inc. 24AA65 is a 鈥渟mart鈥?8K x
8 Serial Electrically Erasable PROM. This device has
been developed for advanced, low power applications
such as personal communications, and provides the
systems designer with 鏗俥xibility through the use of many
new user-programmable features. It is capable of opera-
tion down to 1.8V, the end-of-life voltage for 2 鈥淎A鈥?bat-
tery cells for most popular battery technologies.The
24AA65 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 guaranteed. The 24AA65
features an input cache for fast write loads with a capac-
ity of eight pages, or 64 bytes. This device also features
programmable security options for E/W protection of crit-
ical data and/or code of up to 鏗乫teen 4K blocks. Func-
tional address lines allow the connection of up to eight
I
2
C is a trademark of Philips Corporation.
Smart Serial is a trademark of Microchip Technology Inc.
I/O
SCL
YDEC
SDA
Vcc
Vss
Sense AMP
R/W Control
24LC65's on the same bus for up to 512K bits contigu-
ous EEPROM memory. Advanced CMOS technology
makes this device ideal for low-power non-volatile code
and data applications. The 24AA65 is available in the
standard 8-pin plastic DIP and 8-pin surface mount
SOIC package.
漏
1996 Microchip Technology Inc.
DS21056F-page 1
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