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参数资料
| 型号： | NM93CS46TN |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | PROM |
| 英文描述： | 64 X 16 MICROWIRE BUS SERIAL EEPROM, PDIP8 |
| 封装： | PLASTIC, DIP-8 |
| 文件页数： | 1/16页 |
| 文件大小： | 163K |
| 代理商： | NM93CS46TN |
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www.fairchildsemi.com
NM93CS46 Rev. F.2
NM93CS46
(MICROWIRE
Bus
Interface)
1024-Bit
Serial
EEPROM
with
Data
Protect
and
Sequential
Read
February 2000
1999 Fairchild Semiconductor Corporation
NM93CS46
(MICROWIRE Bus Interface) 1024-Bit Serial EEPROM
with Data Protect and Sequential Read
General Description
NM93CS46 is a 1024-bit CMOS non-volatile EEPROM organized
as 64 x 16-bit array. This device features MICROWIRE interface
which is a 4-wire serial bus with chipselect (CS), clock (SK), data
input (DI) and data output (DO) signals. This interface is compat-
ible to many of standard Microcontrollers and Microprocessors.
NM93CS46 offers programmable write protection to the memory
array using a special register called Protect Register. Selected
memory locations can be protected against write by programming
this Protect Register with the address of the first memory location
to be protected (all locations greater than or equal to this first
address are then protected from further change). Additionally, this
address can be “permanently locked” into the device, making all
future attempts to change data impossible. In addition this device
features “sequential read”, by which, entire memory can be read
in one cycle instead of multiple single byte read cycles. There are
10 instructions implemented on the NM93CS46, 5 of which are for
memory operations and the remaining 5 are for Protect Register
operations. This device is fabricated using Fairchild Semiconduc-
tor floating-gate CMOS process for high reliability, high endurance
and low power consumption.
“LZ” and “L” versions of NM93CS46 offer very low standby current
making them suitable for low power applications. This device is offered
in both SO and TSSOP packages for small space considerations.
Functional Diagram
Features
I Wide V
CC 2.7V - 5.5V
I Programmable write protection
I Sequential register read
I Typical active current of 200A
10
A standby current typical
1
A standby current typical (L)
0.1
A standby current typical (LZ)
I No Erase instruction required before Write instruction
I Self timed write cycle
I Device status during programming cycles
I 40 year data retention
I Endurance: 1,000,000 data changes
I Packages available: 8-pin SO, 8-pin DIP, 8-pin TSSOP
INSTRUCTION
DECODER
CONTROL LOGIC
AND CLOCK
GENERATORS
COMPARATOR
AND
WRITE ENABLE
HIGH VOLTAGE
GENERATOR
AND
PROGRAM
TIMER
INSTRUCTION
REGISTER
ADDRESS
REGISTER
PROTECT
REGISTER
EEPROM ARRAY
READ/WRITE AMPS
DATA IN/OUT REGISTER
16 BITS
DECODER
16
DATA OUT BUFFER
PRE
PE
CS
SK
DI
DO
VSS
VCC
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NM93CS46TVM8 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microwire Serial EEPROM |
| NM93CS46TVMT8 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microwire Serial EEPROM |
| NM93CS46TVN | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microwire Serial EEPROM |
| NM93CS46VM8 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microwire Serial EEPROM |
| NM93CS46VMT8 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microwire Serial EEPROM |
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