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TMS27C240-10JL Datasheet(PDF) 1 Page - Texas Instruments

Part No. TMS27C240-10JL
Description  TMS27C240 262144 BY 16-BIT UV ERASABLE TM27PC240 262144 BY 16-BIT
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TMS27C240-10JL Datasheet(HTML) 1 Page - Texas Instruments

 
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TMS27C240 262144 BY 16BIT UV ERASABLE
TMS27PC240 262144 BY 16BIT
PROGRAMMABLE READONLY MEMORIES
SMLS240D− NOVEMBER 1990 − REVISED SEPTEMBER 1997
1
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251−1443
D Organization . . . 262144 by 16 Bits
D Single 5-V Power Supply
D All Inputs/Outputs Fully TTL Compatible
D Static Operations (No Clocks, No Refresh)
D Max Access/Min Cycle Time
VCC ± 10%
’27C / PC240-10
100 ns
’27C / PC240-12
120 ns
’27C / PC240-15
150 ns
D 16-Bit Output For Use in
Microprocessor-Based Systems
D Very High Speed SNAP! Pulse
Programming
D Power-Saving CMOS Technology
D 3-State Output Buffers
D 400-mV Minimum DC Noise Immunity With
Standard TTL Loads
D Latchup Immunity of 250 mA on All Input
and Output Lines
D No Pullup Resistors Required
D Low Power Dissipation (VCC = 5.5 V)
− Active . . . 275 mW Worst Case
− Standby . . . 0.55 mW Worst Case
(CMOS-Input Levels)
D Temperature Range Options
description
The TMS27C240 series are 262 144 by 16-bit (4 194 304-bit), ultraviolet-light erasable, electrically
programmable read-only memories (EPROMs).
The TMS27PC240 series are 262 144 by 16-bit (4 194 304-bit), one-time programmable (OTP) electrically
programmable read-only memories (PROMs).
These devices are fabricated using power-saving CMOS technology for high speed and simple interface with
MOS and bipolar circuits. All inputs (including program data inputs) can be driven by Series 74 TTL circuits
without the use of external pull-up resistors. Each output can drive one Series 74 TTL circuit without external
resistors.
The TMS27C240 EPROM is offered in a dual-in-line ceramic package (J suffix) designed for insertion in
mounting hole rows on 15,2-mm (600-mil) centers. The TMS27C240 is offered with two choices of temperature
ranges of 0
°C to 70°C (JL suffix) and − 40°C to 85°C (JE suffix). See Table 1.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
A0 − A17
Address Inputs
DQ0 − DQ15
Inputs (programming) / Outputs
E
Chip Enable
G
Output Enable
GND
Ground
NC
No Connection
VCC
5-V Supply
VPP
13-V Power Supply ‡
PIN NOMENCLATURE
† Pins 11 and 30 (J package) and pins 12 and 34
(FN package) must be connected externally to
ground.
‡ Only in program mode
39
38
37
36
35
34
33
32
31
30
29
1
18 19
7
8
9
10
11
12
13
14
15
16
17
20 21 22 23
5
43
2
6
42 41 40
24 25 26 27 28
44 43
A13
A12
A11
A10
A9
GND†
NC
A8
A7
A6
A5
DQ12
DQ11
DQ10
DQ9
DQ8
GND†
NC
DQ7
DQ6
DQ5
DQ4
TMS27PC240 FN PACKAGE
( TOP VIEW )
Copyright
 1997, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.


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