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STMicroelectronics Electronic Components Datasheet

M27C202 Datasheet

2 Mbit 128Kb x16 UV EPROM and OTP EPROM

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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
1/15


STMicroelectronics Electronic Components Datasheet

M27C202 Datasheet

2 Mbit 128Kb x16 UV EPROM and OTP EPROM

No Preview Available !

M27C202
Figure 2A. DIP Connections
VPP
E
Q15
Q14
Q13
Q12
Q11
Q10
Q9
Q8
VSS
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
G
1 40
2 39
3 38
4 37
5 36
6 35
7 34
8 33
9 32
10 31
M27C202
11 30
12 29
13 28
14 27
15 26
16 25
17 24
18 23
19 22
20 21
VCC
P
A16
A15
A14
A13
A12
A11
A10
A9
VSS
A8
A7
A6
A5
A4
A3
A2
A1
A0
AI02784
Figure 2B. TSOP Connections
A9
A10
A11
A12
A13
A14
A15
A16
P
VCC
VPP
E
DQ15
DQ14
DQ13
DQ12
DQ11
DQ10
DQ9
DQ8
1 40 VSS
A8
A7
A6
A5
A4
A3
A2
A1
10 M27C202 31
11 30
A0
G
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
20 21 VSS
AI01817B
Figure 2C. LCC Connections
Q12
Q11
Q10
Q9
Q8
VSS
NC
Q7
Q6
Q5
Q4
12
1 44
M27C202
23
A13
A12
A11
A10
A9
34 VSS
NC
A8
A7
A6
A5
AI01816
Table 1. Signal Names
A0-A16
Address Inputs
Q0-Q15
Data Outputs
E Chip Enable
G Output Enable
P Program
VPP Program Supply
VCC Supply Voltage
VSS Ground
NC Not Connected Internally
2/15


Part Number M27C202
Description 2 Mbit 128Kb x16 UV EPROM and OTP EPROM
Maker STMicroelectronics
Total Page 15 Pages
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