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M27V402-180K1TR

Description
4 Mbit 512Kb x 8 Low Voltage OTP EPROM
File Size90KB,13 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
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M27V402-180K1TR Overview

4 Mbit 512Kb x 8 Low Voltage OTP EPROM

M27V405
4 Mbit (512Kb x 8) Low Voltage OTP EPROM
s
LOW VOLTAGE READ OPERATION:
3V to 3.6V
FAST ACCESS TIME: 120ns
LOW POWER CONSUMPTION:
– Active Current 15mA at 5MHz
– Standby Current 20µA
s
s
s
s
PROGRAMMING VOLTAGE: 12.75V ± 0.25V
PROGRAMMING TIMES:
– Typical 48sec. (PRESTO II Algorithm)
– Typical 27sec. (On-Board Programming)
PLCC32 (K)
TSOP32 (N)
8 x 20 mm
s
PIN COMPATIBLE with the 4 Mbit,
Single Voltage Flash Memory
ELECTRONIC SIGNATURE
– Manufacturer Code: 20h
– Device Code: B4
Figure 1. Logic Diagram
s
DESCRIPTION
The M27V405 is a low voltage 4 Mbit EPROM of-
fered in the OTP range (one time programmable).
It is ideally suited for microprocessor systems re-
quiring large data or program storage and is orga-
nised as 524,288 by 8 bits.
The M27V405 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.
Table 1. Signal Names
A0-A18
Q0-Q7
E
G
V
PP
V
CC
V
SS
Address Inputs
Data Outputs
Chip Enable
Output Enable
Program Supply
Supply Voltage
Ground
VCC
VPP
19
A0-A18
8
Q0-Q7
E
G
M27V405
VSS
AI01800
May 1998
1/13

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