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93LC46A Datasheet(PDF) 1 Page - Microchip Technology

Part # 93LC46A
Description  1K Microwire Compatible Serial EEPROM
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

93LC46A Datasheet(HTML) 1 Page - Microchip Technology

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© 2005 Microchip Technology Inc.
DS21749F-page 1
93AA46A/B/C, 93LC46A/B/C,
93C46A/B/C
Device Selection Table
Features:
• Low-power CMOS technology
• ORG pin to select word size for ‘46C’ version
• 128 x 8-bit organization ‘A’ version devices
(no ORG)
• 64 x 16-bit organization ‘B’ version devices
(no ORG)
• Self-timed erase/write cycles (including
auto-erase)
• Automatic ERAL before WRAL
• Power-on/off data protection circuitry
• Industry standard 3-wire serial I/O
• Device Status signal (Ready/Busy)
• Sequential read function
• 1,000,000 E/W cycles
• Data retention > 200 years
• Temperature ranges supported:
Pin Function Table
Description:
The Microchip Technology Inc. 93XX46A/B/C devices
are 1K bit low-voltage serial Electrically Erasable
PROMs (EEPROM). Word-selectable devices such as
the 93AA46C, 93LC46C or 93C46C are dependent
upon external logic levels driving the ORG pin to set
word size. For dedicated 8-bit communication, the
93AA46A, 93LC46A or 93C46A devices are available,
while the 93AA46B, 93LC46B and 93C46B devices
provide dedicated 16-bit communication. Advanced
CMOS technology makes these devices ideal for low
power, nonvolatile memory applications. The entire
93XX Series is available in standard packages includ-
ing 8-lead PDIP and SOIC, and advanced packaging
including 8-lead MSOP, 6-lead SOT-23, 8-lead 2x3
DFN and 8-lead TSSOP. Pb-free (Pure Matte Sn) finish
is also available.
Part Number
VCC Range
ORG Pin
Word Size
Temp Ranges
Packages
93AA46A
1.8-5.5
No
8-bit
I
P, SN, ST, MS, OT, MC
93AA46B
1.8-5-5
No
16-bit
I
P, SN, ST, MS, OT, MC
93LC46A
2.5-5.5
No
8-bit
I, E
P, SN, ST, MS, OT, MC
93LC46B
2.5-5.5
No
16-bit
I, E
P, SN, ST, MS, OT, MC
93C46A
4.5-5.5
No
8-bit
I, E
P, SN, ST, MS, OT, MC
93C46B
4.5-5.5
No
16-bit
I, E
P, SN, ST, MS, OT, MC
93AA46C
1.8-5.5
Yes
8 or 16-bit
I
P, SN, ST, MS, MC
93LC46C
2.5-5.5
Yes
8 or 16-bit
I, E
P, SN, ST, MS, MC
93C46C
4.5-5.5
Yes
8 or 16-bit
I, E
P, SN, ST, MS, MC
- Industrial (I)
-40°C to
+85°C
- Automotive (E)
-40°C to +125°C
Name
Function
CS
Chip Select
CLK
Serial Data Clock
DI
Serial Data Input
DO
Serial Data Output
VSS
Ground
NC
No internal connection
ORG
Memory Configuration
VCC
Power Supply
1K Microwire Compatible Serial EEPROM


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