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93LC56B/P 参数 Datasheet PDF下载

93LC56B/P图片预览
型号: 93LC56B/P
PDF下载: 下载PDF文件 查看货源
内容描述: 2K 2.5V微波串行EEPROM [2K 2.5V Microwave Serial EEPROM]
分类和应用: 存储内存集成电路微波光电二极管可编程只读存储器电动程控只读存储器电可擦编程只读存储器时钟
文件页数/大小: 12 页 / 163 K
品牌: MICROCHIP [ MICROCHIP TECHNOLOGY ]
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M
FEATURES
93LC56A/B
BLOCK DIAGRAM
2K 2.5V Microwire
®
Serial EEPROM
• Single supply with operation down to 2.5V
• Low power CMOS technology
- 1 mA active current (typical)
- 1
µ
A 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):
0
°
C to +70
°
C
- Industrial (I):
-40
°
C to +85
°
C
MEMORY
ARRAY
ADDRESS
DECODER
ADDRESS
COUNTER
DATA
REGISTER
DI
MODE
DECODE
LOGIC
CLOCK
GENERATOR
Vcc
Vss
OUTPUT
BUFFER
DO
CS
CLK
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.
PACKAGE TYPE
DIP
CS
CLK
DI
DO
1
8
Vcc
CS
7
6
5
NC
CLK
NC
Vss
DO
DI
SOIC
SOIC
CS
CLK
DI
DO
1
2
3
4
TSSOP
93LC56A/B
8
7
6
5
Vcc
NC
NC
Vss
1
2
3
4
8
7
6
5
V
CC
NC
NC
Vss
NU
Vcc
CS
CLK
1
2
3
4
8
7
6
5
93LC56A/BX
NC
Vss
DO
DI
93LC56A/B
93LC56A/B
2
3
4
Microwire is a registered trademark of National Semiconductor.
©
1997 Microchip Technology Inc.
Preliminary
DS21208A-page 1