TMS27PC240 Datasheet: Programmable ROM





TMS27PC240 Datasheet PDF

Part Number TMS27PC240
Description Programmable ROM
Manufacture etcTI
Total Page 15 Pages
PDF Download Download TMS27PC240 Datasheet PDF

Features: TMS27C240 262144 BY 16ĆBIT UV ERASABLE TMS27PC240 262144 BY 16ĆBIT PROGRAMMAB LE READĆONLY MEMORIES SMLS240D− NOVE MBER 1990 − REVISED SEPTEMBER 1997 D Organization . . . 262 144 by 16 Bits D Single 5-V Power Supply D All Input s / Outputs Fully TTL Compatible D Sta tic Operations (No Clocks, No Refresh) D Max Access / Min Cycle Time VCC ± 10% ’27C/ PC240-10 ’27C/ PC240-12 27C/ PC240-15 100 ns 120 ns 150 ns D 16-Bit Output For Use in Microprocess or-Based Systems D Very High Speed SNA P! Pulse Programming D Power-Saving CM OS Technology D 3-State Output Buffers D 400-mV Minimum DC Noise Immunity Wi th Standard TTL Loads D Latchup Immuni ty of 250 mA on All Input and Output Li nes D No Pullup Resistors Required D Low Power Dissipation ( VCC = 5.5 V ) Active . . . 275 mW Worst Case − S tandby . . . 0.55 mW Worst Case (CMOS-I nput Levels) D Temperature Range Optio ns TMS27PC240 FN PACKAGE ( TOP VIEW ) DQ13 DQ14 DQ15 E VPP NC VCC A17 A16 A15 A14 DQ12 DQ11 DQ10 DQ9 DQ8 GND† NC DQ7 .

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TMS27PC240 datasheet
TMS27C240 262144 BY 16ĆBIT UV ERASABLE
TMS27PC240 262144 BY 16ĆBIT
PROGRAMMABLE READĆONLY MEMORIES
SMLS240D− NOVEMBER 1990 − REVISED SEPTEMBER 1997
D Organization . . . 262 144 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
’27C/ PC240-12
’27C/ PC240-15
100 ns
120 ns
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
TMS27PC240 FN PACKAGE
( TOP VIEW )
DQ12
DQ11
DQ10
DQ9
DQ8
GND†
NC
DQ7
DQ6
DQ5
DQ4
6543
7
8
9
10
11
12
13
14
15
16
17
2 1 44 43 42 41 40
39
38
37
36
35
34
33
32
31
30
29
18 19 20 21 22 23 24 25 26 27 28
A13
A12
A11
A10
A9
GND†
NC
A8
A7
A6
A5
PIN NOMENCLATURE
A0 −A17
DQ0 −DQ15
E
G
GND
NC
VCC
VPP
Address Inputs
Inputs (programming) / Outputs
Chip Enable
Output Enable
Ground
No Connection
5-V Supply
13-V Power Supply
Pins 11 and 30 (J package) and pins 12 and 34
(FN package) must be connected externally to
ground.
Only in program mode
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.
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.
Copyright 1997, Texas Instruments Incorporated
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443
1

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