M2732A-20F1 STMICROELECTRONICS [STMicroelectronics], M2732A-20F1 Datasheet

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M2732A-20F1

Manufacturer Part Number
M2732A-20F1
Description
NMOS 32K 4K x 8 UV EPROM
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet

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M2732A-20F1
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DESCRIPTION
The M2732A is a 32,768 bit UV erasable and
electrically programmable memory EPROM. It is
organized as 4,096 words by 8 bits. The M2732A
with its single 5V power supply and with an access
time of 200 ns, is ideal suited for applications where
fast turn around and pattern experimentation one
important requirements.
The M2732A is honsed in a 24 pin Window Ceramic
Frit-Seal Dual-in-Line package. The transparent lid
allows the user to expose the chip to ultraviolet light
to erase the bit pattern. A new pattern can be then
written to the clerice by following the programming
procedure.
Table 1. Signal Names
July 1994
A0 - A11
Q0 - Q7
E
GV
V
V
FAST ACCESS TIME: 200ns
EXTENDED TEMPERATURE RANGE
SINGLE 5V SUPPLY VOLTAGE
LOW STANDBY CURRENT: 35mA max
INPUTS and OUTPUTS TTL COMPATIBLE
DURING READ and PROGRAM
COMPLETELY STATIC
CC
SS
PP
Address Inputs
Data Outputs
Chip Enable
Output Enable / Program Supply
Supply Voltage
Ground
NMOS 32K (4K x 8) UV EPROM
Figure 1. Logic Diagram
A0-A11
GV PP
E
12
24
FDIP24W (F)
V CC
V SS
M2732A
1
M2732A
8
Q0-Q7
AI00780B
1/9

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M2732A-20F1 Summary of contents

Page 1

... The M2732A is honsed pin Window Ceramic Frit-Seal Dual-in-Line package. The transparent lid allows the user to expose the chip to ultraviolet light to erase the bit pattern. A new pattern can be then written to the clerice by following the programming procedure ...

Page 2

... A10 The M2732A has a standby mode which reduces the active power current from 125 mA. The M2732A is placed in the standby mode applying a TTL high signal to E input. When standby mode, the outputs are in a high impedance ...

Page 3

... M2732A in approxi- mately 3 years, while it would take approximately 1 week to cause erasure when exposed to the direct sunlight. If the M2732A exposed to these types of lighting conditions for extended pe- riods of time suggested that opaque labels be put over the M2732A window to prevent uninten- tional erasure ...

Page 4

... M2732A AC MEASUREMENT CONDITIONS Input Rise and Fall Times Input Pulse Voltages Input and Output Timing Ref. Voltages Note that Output Hi-Z is defined as the point where data is no longer driven. Figure 3. AC Testing Input Output Waveforms 2.4V 0.45V (1) Table 4. Capacitance (T A Symbol Parameter C Input Capacitance (except GV ...

Page 5

... and removed simultaneously or after V PP M2732A = Value Min Max 10 10 125 35 –0.1 0 0.45 2 M2732A -3 -4 Max Min Max Min Max 250 300 450 250 300 450 100 150 150 60 0 130 0 130 60 0 130 0 130 ...

Page 6

... M2732A Table 7. Programming Mode DC Characteristics ( 5 Symbol Parameter I Input Leakage Current LI I Supply Current CC I Program Current PP V Input Low Voltage IL V Input High Voltage IH V Output Low Voltage OL V Output High Voltage OH Note must be applied simultaneously with or before V CC Table 8 ...

Page 7

... For further information on any aspect of this device, please contact SGS-THOMSON Sales Office nearest to you. VALID DATA IN tEHQX tEHVPX tVPLEL tELEH PROGRAM M2732A - Package F FDIP24W Tolerance, Package, etc...) refer to the current Memory Shortform CC M2732A tEHAX DATA OUT tELQV tEHQZ VERIFY AI00783 Temperature Range – 7/9 ...

Page 8

... M2732A FDIP24W - 24 pin Ceramic Frit-seal DIP, with window Symb Typ 2.54 e3 27. 7.11 N FDIP24W Drawing is not to scale 8/9 mm Min Max 5.71 0.50 1.78 3.90 5.08 0.40 0.55 1.17 1.42 0.22 0.31 32.30 15.40 15.80 13.05 13.36 – – – – 16.17 18.32 3.18 4.10 1.52 2.49 – – inches Typ Min 0.225 ...

Page 9

... SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. © 1994 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. M2732A 9/9 ...

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