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93LC46AB Datasheet(PDF) 1 Page - Microchip Technology

Part # 93LC46AB
Description  1K 2.5V Microwire Serial EEPROM
Download  12 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

93LC46AB Datasheet(HTML) 1 Page - Microchip Technology

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 2000 Microchip Technology Inc.
DS21173E-page 1
FEATURES
• Single supply with operation down to 2.5V
• Low power CMOS technology
- 1 mA active current (typical)
- 1 µA standby current (maximum)
• 128 x 8 bit organization (93LC46A)
• 64 x 16 bit organization (93LC46B)
• Self-timed ERASE and WRITE cycles
(including auto-erase)
• Automatic ERAL before WRAL
• Power on/off data protection circuitry
• Industry standard 3-wire serial interface
• Device status signal during ERASE/WRITE
cycles
• Sequential READ function
• 1,000,000 E/W cycles guaranteed
• Data retention > 200 years
• 8-pin PDIP/SOIC and 8-pin TSSOP packages
• Available for the following temperature ranges:
BLOCK DIAGRAM
DESCRIPTION
The Microchip Technology Inc. 93LC46AX/BX are 1K-
bit, low voltage serial Electrically Erasable PROMs.
The device memory is configured as x8 (93LC46A) or
x16 bits (93LC46B). Advanced CMOS technology
makes these devices ideal for low power nonvolatile
memory applications. The 93LC46AX/BX is available
in standard 8-pin DIP, 8-pin surface mount SOIC, and
TSSOP packages. The 93LC46AX/BX are offered only
in a 150-mil SOIC package.
PACKAGE TYPE
- Commercial (C):
0°C to +70°C
- Industrial (I):
-40°C to +85°C
Vcc
Vss
DI
CS
CLK
DO
MEMORY
ARRAY
ADDRESS
DECODER
ADDRESS
COUNTER
DATA
REGISTER
OUTPUT
BUFFER
MODE
DECODE
CLOCK
GENERATOR
LOGIC
CS
CLK
DI
DO
1
2
3
4
8
7
6
5
Vcc
NC
NC
Vss
CS
CLK
DI
DO
VCC
NC
NC
Vss
NC
Vcc
CS
CLK
NC
Vss
DO
DI
CS
CLK
DI
DO
1
2
3
4
8
7
6
5
Vcc
NC
NC
Vss
TSSOP
SOIC
SOIC
1
2
3
4
DIP
8
7
6
5
1
2
3
4
8
7
6
5
Microwire is a registered trademark of National Semiconductor Incorporated.
93LC46A/B
1K 2.5V Microwire® Serial EEPROM


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