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93LC46_12 Datasheet, PDF (17/20 Pages) Microchip Technology – 1K/2K/4K 2.5V Microwire Serial EEPROM
93LC46/56/66
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.
PART NO.
X
/XX
Device
Temperature Package
Range
XXX
Pattern
Device
Temperature
Range
93LC46: 1K 2.5V Microwire Serial EEPROM
93LC46X: 1K 2.5V Microwire Serial EEPROM in
alternate pinouts (SN package only)
93LC46T: 1K 2.5V Microwire Serial EEPROM
(Tape and Reel)
93LC46XT: 1K 2.5V Microwire Serial EEPROM
(Tape and Reel)
93LC56: 2K 2.5V Microwire Serial EEPROM
93LC56X: 2K 2.5V Microwire Serial EEPROM in
alternate pinouts (SN package only)
93LC56T: 2K 2.5V Microwire Serial EEPROM
(Tape and Reel)
93LC56XT:2K 2.5V Microwire Serial EEPROM
(Tape and Reel)
93LC66: 4K 2.5V Microwire Serial EEPROM
93LC66X: 4K 2.5V Microwire Serial EEPROM in
alternate pinouts (SN package only)
93LC66T: 4K 2.5V Microwire Serial EEPROM
(Tape and Reel)
93LC66XT: 4K 2.5V Microwire Serial EEPROM
(Tape and Reel)
I
= -40C to +85C
Examples:
a) 93LC46-I/P: 1K, 128x8 or 64x16 Serial
EEPROM, PDIP package
b) 93LC46-I/SN: 1K, 128x8 or 64x16 Serial
EEPROM, SOIC package
c) 93LC46T-I/SN: 1K, 128x8 or 64x16
Serial EEPROM, SOIC package, tape
and reel
d) 93LC46X-I/SN: 1K, 128x8 or 64x16
Serial EEPROM, Rotated SOIC package
e) 93LC56-I/P: 2K, 256x8 or 128x16 Serial
EEPROM, PDIP package
f) 93LC56-I/SN: 2K, 256x8 or 128x16
Serial EEPROM, SOIC package
g) 93LC56T-I/SN: 2K, 256x8 or 128x16
Serial EEPROM, SOIC package, tape
and reel
h) 93LC56X-I/SN: 2K, 256x8 or 128x16
Serial EEPROM, Rotated SOIC package
i) 93LC66-I/P: 4K, 512x8 or 256x16 Serial
EEPROM, PDIP package
j) 93LC66-I/SN: 4K, 512x8 or 256x16
Serial EEPROM, SOIC package
k) 93LC66T-I/SN: 4K, 512x8 or 256x16
Serial EEPROM, SOIC package, tape
and reel
l) 93LC66X-I/SN: 4K, 512x8 or 256x16
Serial EEPROM, Rotated SOIC package
Package
P = Plastic DIP (300 mil body), 8-lead
SN = Plastic SOIC (150 mil body), 8-lead
Sales and Support
Data Sheets
Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and
recommended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following:
1. Your local Microchip sales office
2. The Microchip Worldwide Site (www.microchip.com)
Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using.
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 2002-2012 Microchip Technology Inc.
DS21712C-page 17