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M27W400

PinoutSpecifications Symbol Parameter Value Unit TA Ambient Operating Temperature (3) 40 to 125 °C TBIAS Temperature Under Bias 50 to 125 °C TSTG Storage Temperature 65 to 150 °C VIO(2) Input or Output Voltage (except A9) 2 to 7 V ...

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SeekIC No. : 004404265 Detail

M27W400: PinoutSpecifications Symbol Parameter Value Unit TA Ambient Operating Temperature (3) 40 to 125 °C TBIAS Temperature Under Bias 50 to 125 °C TSTG Stora...

M27W400 Data Sheet

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Part Number:
M27W400
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/27

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Product Details

Description



Pinout

Connection Diagram


Specifications

Symbol
Parameter
Value
Unit
TA
 Ambient Operating Temperature (3)
40 to 125
°C
TBIAS
 Temperature Under Bias
50 to 125
°C
TSTG
 Storage Temperature
65 to 150
°C
VIO(2)
 Input or Output Voltage (except A9)
2 to 7
V
VCC
 Supply Voltage
2to 7
V
VA9(2)
 A9 Voltage
2 to 13.5
V
VPP
Program Supply Voltage
2 to 14
V



Description

The M27W400 is a low voltage 4 Mbit EPROM offered in the two range UV (Ultra Violet Erase) and OTP (one time programmable). It is ideally suited for microprocessor systems requiring large data or program storage. It is organised as either 512 Kwords of 8 bit or 256 Kwords of 16 bit. The pinout is compatible with the most common 4 Mbit Mask ROM.

The M27W400 operates in the read mode with a supply voltage as low as 2.7V at 40 to 85°C temperature range. The decrease in operating power allows either a reduction of the size of the battery or an increase in the time between battery recharges.

The M27W400(window ceramic frit-seal package) has a transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern. A new pattern can then be written to the device by following the programming procedure.

For application M27W400 where the content is programmed only one time and erasure is not required, the M27W400 is offered in PDIP40 and PLCC44 packages.




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