93LC56A Datasheet PDF Download, Microchip Technology





(PDF) 93LC56A Datasheet Download

Part Number 93LC56A
Description 2K 2.5V Microwave Serial EEPROM
Manufacture Microchip Technology
Total Page 12 Pages
PDF Download Download 93LC56A Datasheet PDF

Features: M FEATURES 93LC56A/B BLOCK DIAGRAM 2K 2.5V Microwire® Serial EEPROM • Sin gle supply with operation down to 2.5V • Low power CMOS technology - 1 mA ac tive current (typical) - 1 µA standby current (maximum) • 256 x 8 bit organ ization (93LC56A) • 128 x 16 bit orga nization (93LC56B) • Self-timed ERASE and WRITE cycles (including auto-erase ) • Automatic ERAL before WRAL • Po wer on/off data protection circuitry Industry standard 3-wire serial inter face • Device status signal during ER ASE/WRITE cycles • Sequential READ fu nction • 1,000,000 E/W cycles guarant eed • Data retention > 200 years • 8-pin PDIP/SOIC and 8-pin TSSOP package s • Available for the following tempe rature ranges: - Commercial (C): 0°C t o +70°C - Industrial (I): -40°C to +8 5°C MEMORY ARRAY ADDRESS DECODER AD DRESS COUNTER DATA REGISTER DI MODE DEC ODE LOGIC CLOCK GENERATOR Vcc Vss OUTPU T BUFFER DO CS CLK DESCRIPTION The M icrochip Technology Inc. 93LC56A/B are 2K-bit, low-voltage serial Electrically Erasable PROMs. Th.

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M
93LC56A/B
2K 2.5V Microwire® Serial EEPROM
FEATURES
• Single supply with operation down to 2.5V
• Low power CMOS technology
- 1 mA active current (typical)
- 1 µA standby current (maximum)
• 256 x 8 bit organization (93LC56A)
• 128 x 16 bit organization (93LC56B)
• 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:
- Commercial (C):
- Industrial (I):
0°C to +70°C
-40°C to +85°C
PACKAGE TYPE
DIP
SOIC
BLOCK DIAGRAM
MEMORY
ARRAY
ADDRESS
DECODER
DI
CS
CLK
DATA
REGISTER
ADDRESS
COUNTER
OUTPUT
BUFFER
DO
MODE
DECODE
LOGIC
CLOCK
GENERATOR
Vcc
Vss
DESCRIPTION
The Microchip Technology Inc. 93LC56A/B are 2K-bit,
low-voltage serial Electrically Erasable PROMs. The
device memory is configured as x8 (93LC56A) or
x16 bits (93LC56B). Advanced CMOS technology
makes these devices ideal for low power nonvolatile
memory applications. The 93LC56A/B is available in
standard 8-pin DIP, surface mount SOIC, and TSSOP
packages. The 93LC56AX/BX are only offered in a
150-mil SOIC package.
SOIC
TSSOP
CS 1
CLK 2
DI 3
DO 4
8 Vcc
CS
7 NC
CLK
6 NC
DI
5 Vss
DO
1
2
3
4
8 VCC
NU 1
7 NC
Vcc 2
6 NC
CS 3
5 Vss CLK 4
CS 1
8 NC CLK 2
DI 3
7 Vss
DO 4
6 DO
5 DI
8 Vcc
7 NC
6 NC
5 Vss
Microwire is a registered trademark of National Semiconductor.
© 1997 Microchip Technology Inc.
Preliminary
DS21208A-page 1

                    
              






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