TMS27PC020 Datasheet: Programmable ROM





TMS27PC020 Datasheet PDF

Part Number TMS27PC020
Description Programmable ROM
Manufacture etcTI
Total Page 15 Pages
PDF Download Download TMS27PC020 Datasheet PDF

Features: D Organization . . . 262144 by 8 Bits D Single 5-V Power Supply D Operationally Compatible With Existing Megabit EPROM s D Industry Standard 32-Pin Dual-In-li ne Package and 32-Lead Plastic Leaded C hip Carrier D All Inputs / Outputs Full y TTL Compatible D ±10% VCC Tolerance D Max Access / Min Cycle Time VCC ± 10 % ’27C/ PC020-10 100 ns ’27C/ PC020 -12 120 ns ’27C/ PC020-15 150 ns ’2 7C/ PC020-20 200 ns ’27C/ PC020-25 25 0 ns D 8-Bit Output For Use in Micropro cessor-Based Systems D Very High-Speed SNAP! Pulse Programming D Power Saving CMOS Technology D 3-State Output Buffer s D 400 mV Minimum DC Noise Immunity Wi th Standard TTL Loads D Latchup Immunit y of 250 mA on All Input and Output Pin s D No Pullup Resistors Required D Low Power Dissipation (VCC = 5.5 V) – Act ive . . . 165 mW Worst Case – Standby . . . 0.55 mW Worst Case (CMOS-Input L evels) D Temperature Range Options desc ription The TMS27C020 series are 262 14 4 by 8-bit (2 097 152-bit), ultraviolet (UV) light erasable, electrically progr.

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TMS27PC020 datasheet
D Organization . . . 262144 by 8 Bits
D Single 5-V Power Supply
D Operationally Compatible With Existing
Megabit EPROMs
D Industry Standard 32-Pin Dual-In-line
Package and 32-Lead Plastic Leaded Chip
Carrier
D All Inputs / Outputs Fully TTL Compatible
D ±10% VCC Tolerance
D Max Access / Min Cycle Time
VCC ± 10%
’27C/ PC020-10 100 ns
’27C/ PC020-12 120 ns
’27C/ PC020-15 150 ns
’27C/ PC020-20 200 ns
’27C/ PC020-25 250 ns
D 8-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 Pins
D No Pullup Resistors Required
D Low Power Dissipation (VCC = 5.5 V)
– Active . . . 165 mW Worst Case
– Standby . . . 0.55 mW Worst Case
(CMOS-Input Levels)
D Temperature Range Options
description
The TMS27C020 series are 262 144 by 8-bit
(2 097 152-bit), ultraviolet (UV) light erasable,
electrically programmable read-only memories
(EPROMs).
The TMS27PC020 series are one-time program-
mable (OTP) electrically programmable read-only
memories (PROMs).
TMS27C020 262144 BY 8-BIT UV ERASABLE
TMS27PC020 262144 BY 8-BIT
PROGRAMMABLE READ-ONLY MEMORIES
SMLS020C – NOVEMBER 1990 – REVISED SEPTEMBER 1997
J PACKAGE
( TOP VIEW )
VPP
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32 VCC
31 PGM
30 A17
29 A14
28 A13
27 A8
26 A9
25 A11
24 G
23 A10
22 E
21 DQ7
20 DQ6
19 DQ5
18 DQ4
17 DQ3
TMS27PC020
FM PACKAGE
( TOP VIEW )
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
4 3 2 1 32 31 30
5 29
6 28
7 27
8 26
9 25
10 24
11 23
12 22
13 21
14 15 16 17 18 19 20
A14
A13
A8
A9
A11
G
A10
E
DQ7
PIN NOMENCLATURE
A0 – A17
DQ0 – DQ7
E
G
GND
PGM
VCC
VPP
Address Inputs
Inputs (programming) / Outputs
Chip Enable
Output Enable
Ground
Program
5-V Power Supply
13-V Power Supply
† Only in program mode
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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