NTE2732A NTE ELECTRONICS, NTE2732A Datasheet

NTE2732A

Manufacturer Part Number

NTE2732A

Description

IC, EPROM, 32KBIT, 200NS, DIP-24

Manufacturer

NTE ELECTRONICS

Datasheet

1.NTE2732A.pdf (6 pages)

Specifications of NTE2732A

Memory Size

32Kbit

Memory Configuration

4K X 8

Access Time

200ns

Supply Voltage Range

4.75V To 5.25V

Memory Case Style

DIP

No. Of Pins

Operating Temperature Range

0Â°C To +70Â°C

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

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Description:

The NTE2732A is a 32,768–bits ultraviolet erasable and electrically programmable read–only

memory (EPROM) organized as 4,096 words by 8 bits and manufactured using N–Channel Si–Gate

MOS processing. With its single +5V power supply and with an access time of 200ns, the NTE2732A

is ideal for use with high performance +5V microprocessors such as the NTE3880.

The NTE2732A has an important feature which is the separate output control, Output Enable (OE)

from the Chip Enable control (CE). The OE control eliminates bus contention in multiple bus micropro-

cessor systems.

The NTE2732A also features an standby mode which reduces the power dissipation without increas-

ing access time. The active current is 125mA while the maximum standby mode is achieved by apply-

ing a TTL–high signal to the CE input.

Features:

D Fast Access Time: 200ns Max

D 0 to +70 C Standard Temperature Range

D Single +5V Power Supply

D Low Standby Current (35mA Max)

D Inputs and Outputs TTL Compatible During Read and Program

D Completely Static

Absolute Maximum Ratings: (Note 1)

All Input or Output Voltages with respect to GND, V

Supply Voltage with respect to GND during Program, V

Ambient Temperature under Bias, T

Storage Temperature Range, T

Note 1. Stresses above those listed under “Absolute Maximum Ratings” may cause permanent

Operating Modes:

MODE

READ

STANDBY

PROGRAM

PROGRAM VERIFTY

PROGRAM INHIBIT

damage to the device. This is a stress rating only and functional operation of the device at

these or any other conditions above those indicated in the operational sections of this specifi-

cation is not implied. Exposure to absolute maximum rating conditions for extended periods

may affect device reliability.

32K (4K x 8) NMOS UV Erasable PROM

PINS

stg

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Integrated Circuit

(18)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

NTE2732A

Don’t Care

OE/V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(20)

. . . . . . . . . . . . . . . . . . . . . . .

(24)

–65 to +125 C

(9 – 11, 13–17)

–10 to +80 C

OUTPUTS

+22 to –0.6V

HIGH Z

+6 to –0.6V

OUT

Related parts for NTE2732A

NTE2732A Summary of contents

Page 1

... The NTE2732A is a 32,768–bits ultraviolet erasable and electrically programmable read–only memory (EPROM) organized as 4,096 words by 8 bits and manufactured using N–Channel Si–Gate MOS processing. With its single +5V power supply and with an access time of 200ns, the NTE2732A is ideal for use with high performance +5V microprocessors such as the NTE3880. ...

Page 2

Read Operation (DC and AC Conditions): Operating Temperature Range Power Supply (Note 2, Note Voltage (Note ...

Page 3

... Standby Mode: The NTE2732A has a standby mode which reduces the active power current by 70%, from 125mA to 35mA. The NTE2732A is placed in the standby mode by applying a TTL high signal to CE input. When in standby mode, the outputs are in a high impedance state, independent of the OE input. ...

Page 4

... PP Note 8. V must be applied simultaneously with or before after V . The NTE2732A must not be inserted into or removed from a board with 0.5V or damage may occur to the device. Note 9. The maximum allowable voltage which may be applied to the V is +22V. Care must be taken when switching the V this 22V maximum specification ...

Page 5

... Data shows that constant exposure to room level fluorescent lighting could erase a typical NTE2732A in approximately 3 years, while it would take approximately 1 week to cause erasure when exposed to the direct sunlight. If the NTE2732A exposed to these types of lighting conditions for ex- tended periods of time suggested that opaque labels be put over the NTE2732A window to pre- vent unintentional erasure ...

Page 6

GND 1.290 (32.76) Max 24 1 .280 (7.11) Dia UV Window Glass Sealant .160 (4.06) Max .100 (2.54) Pin Connection Diagram ...

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