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M27V402-120K6TR fiches techniques PDF

STMicroelectronics - 4 Mbit 512Kb x 8 Low Voltage OTP EPROM

Numéro de référence M27V402-120K6TR
Description 4 Mbit 512Kb x 8 Low Voltage OTP EPROM
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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M27V402-120K6TR fiche technique
M27V402
4 Mbit (256Kb x 16) Low Voltage UV EPROM and OTP EPROM
s LOW VOLTAGE READ OPERATION:
3V to 3.6V
s FAST ACCESS TIME: 120ns
s LOW POWER CONSUMPTION:
– Active Current 15mA at 5MHz
– Standby Current 20µA
s PROGRAMMING VOLTAGE: 12.75V ± 0.25V
s PROGRAMMING TIME: 100µs/byte (typical)
s ELECTRONIC SIGNATURE
– Manufacturer Code: 20h
– Device Code: 8Dh
DESCRIPTION
The M27V402 is a low voltage, low power 4 Mbit
UV erasable and electrically programmable
EPROM, ideally suited for handheld and portable
microprocessor systems requiring large programs.
It is organized as 262,144 by 16 bits.
The M27V402 operates in the read mode with a
supply voltage as low as 3V. The decrease in op-
erating power allows either a reduction of the size
of the battery or an increase in the time between
battery recharges.
The FDIP40W (window ceramic frit-seal package)
has a transparent lid which allows the user to ex-
pose the chip to ultraviolet light to erase the bit pat-
tern. A new pattern can then be written to the
device by following the programming procedure.
40
1
FDIP40W (F)
40
1
PDIP40 (B)
PLCC44 (K)
Figure 1. Logic Diagram
TSOP40 (N)
10 x 20 mm
VCC VPP
18
A0-A17
16
Q0-Q15
Table 1. Signal Names
A0-A17
Address Inputs
Q0-Q15
Data Outputs
E Chip Enable
G Output Enable
VPP Program Supply
VCC Supply Voltage
VSS Ground
E M27V402
G
VSS
AI01819
May 1998
1/15

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