M27C202 Datasheet, PDF (1/15 Pages) STMicroelectronics – 2 Mbit 128Kb x16 UV EPROM and OTP EPROM

M27C202
2 Mbit (128Kb x16) UV EPROM and OTP EPROM
s 5V ± 10% SUPPLY VOLTAGE in READ
OPERATION
s ACCESS TIME: 45ns
s LOW POWER CONSUMPTION:
– Active Current 50mA at 5MHz
– Standby Current 100µA
s PROGRAMMING VOLTAGE: 12.75V ± 0.25V
s PROGRAMMING TIME: 100µs/word
s ELECTRONIC SIGNATURE
– Manufacturer Code: 20h
– Device Code: 1Ch
DESCRIPTION
The M27C202 is a 2 Mbit EPROM offered in the
two ranges UV (ultra violet erase) and OTP (one
time programmable). It is ideally suited for micro-
processor systems requiring large programs, in
the application where the contents is stable and
needs to be programmed only one time, and is or-
ganised as 131,072 by 16 bits.
The FDIP40W (window ceramic frit-seal package)
has a transparent lids which allow 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.
For applications where the content is programmed
only one time and erasure is not required, the
M27C202 is offered in PDIP40, PLCC44 and
TSOP40 (10 x 14 mm) packages.
40
1
FDIP40W (F)
40
1
PDIP40 (B)
PLCC44 (K)
TSOP40 (N)
10 x 14 mm
Figure 1. Logic Diagram
VCC VPP
17
A0-A16
16
Q0-Q15
P
M27C202
E
G
VSS
AI01815
April 1999
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