m2732af6 STMicroelectronics, m2732af6 Datasheet

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m2732af6

Manufacturer Part Number
m2732af6
Description
Nmos 32k 4k X 8 Uv Eprom
Manufacturer
STMicroelectronics
Datasheet

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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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m2732af6 Summary of contents

Page 1

... Table 1. Signal Names A0 - A11 Address Inputs Data Outputs E Chip Enable GV Output Enable / Program Supply PP V Supply Voltage CC V Ground SS July 1994 NMOS 32K ( EPROM 24 1 FDIP24W (F) Figure 1. Logic Diagram A0-A11 E M2732A M2732A 8 Q0-Q7 AI00780B 1/9 ...

Page 2

M2732A Table 2. Absolute Maximum Ratings Symbol T Ambient Operating Temperature A T Temperature Under Bias BIAS T Storage Temperature STG V Input or Output Voltages IO V Supply Voltage CC V Program Supply Voltage PP Note: Except for the ...

Page 3

Programming When delivered, and after each erasure, all bits of the M2732A are in the “1" state. Data is introduced by selectively programming ”0’s" into the desired bit locations. Although only “0’s” will be pro- grammed, both “1’s” and “0’s” ...

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 ...

Page 5

Table 5. Read Mode DC Characteristics ( – Symbol Parameter I Input Leakage Current LI I Output Leakage Current LO I Supply Current CC I Supply Current (Standby) CC1 ...

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 ...

Page 7

Figure 6. Programming and Verify Modes AC Waveforms A0-A11 tAVEL Q0-Q7 tQVEL GV PP tVPHEL E ORDERING INFORMATION SCHEME Example: Speed and V Tolerance CC -2 200 ns blank 250 ns 300 ns ...

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 ...

Page 9

Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its ...

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