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93C46B Datasheet

  • 93C46B

  • 1K Microwire Compatible Serial EEPROM

  • 34頁

  • Microchip   Microchip

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M
FEATURES
93C46B
BLOCK DIAGRAM
MEMORY
ARRAY
ADDRESS
DECODER
1K 5.0V Microwire
廬
Serial EEPROM
鈥?Single supply 5.0V operation
鈥?Low power CMOS technology
- 1 mA active current (typical)
- 1
碌
A standby current (maximum)
鈥?64 x 16 bit organization
鈥?Self-timed ERASE and WRITE cycles (including
auto-erase)
鈥?Automatic ERAL before WRAL
鈥?Power on/off data protection circuitry
鈥?Industry standard 3-wire serial interface
鈥?Device status signal during ERASE/WRITE cycles
鈥?Sequential READ function
鈥?1,000,000 E/W cycles guaranteed
鈥?Data retention > 200 years
鈥?8-pin PDIP/SOIC and 8-pin TSSOP packages
鈥?Available for the following temperature ranges:
- Commercial (C):
0
擄
C to
+70
擄
C
- Industrial (I):
-40
擄
C to
+85
擄
C
- Automotive (E):
-40
擄
C to +125
擄
C
ADDRESS
COUNTER
DATA
REGISTER
DI
MEMORY
DECODE
LOGIC
CLOCK
GENERATOR
V
CC
V
SS
OUTPUT
BUFFER
DO
CS
CLK
DESCRIPTION
The Microchip Technology Inc. 93C46B is a 1K-bit,
low-voltage serial Electrically Erasable PROM. The
device memory is con鏗乬ured as 64 x 16 bits. Advanced
CMOS technology makes this device ideal for
low-power, nonvolatile memory applications. The
93C46B is available in standard 8-pin DIP, surface
mount SOIC, and TSSOP packages. The 93C46BX are
only offered in a 150 mil SOIC package.
PACKAGE TYPE
DIP
CS
CLK
DI
DO
1
8
V
CC
CS
NC
CLK
6
5
NC
V
SS
DO
DI
SOIC
SOIC
CS
CLK
DI
DO
1
2
3
4
TSSOP
8
7
6
5
V
CC
NC
NC
V
SS
93C46B
1
8
V
CC
NC
NC
V
SS
NU
V
CC
CS
CLK
1
8
NC
V
SS
DO
DI
93C46BX
93C46B
93C46B
2
3
4
7
2
3
4
7
6
5
2
3
4
7
6
5
Microwire is a registered trademark of National Semiconductor Incorporated.
漏
1997 Microchip Technology Inc.
Preliminary
DS21172D-page 1

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