TMS27PC128NL Datasheet, PDF (1/14 Pages) Texas Instruments – TMS27C128 131 072-BIT UV ERASABLE PROGRAMMABLE READ-ONLY MEMORY

TMS27C128 131 072-BIT UV ERASABLE PROGRAMMABLE READ-ONLY MEMORY
TMS27PC128 131 072-BIT PROGRAMMABLE READ-ONLY MEMORY
This Data Sheet is Applicable to All
TMS27C128s and TMS27PC128s Symbolized
with Code “B” as Described on Page 12.
• Organization . . . 16K × 8
• Single 5-V Power Supply
• Pin Compatible With Existing 128K MOS
ROMs, PROMs, and EPROMs
• All Inputs/Outputs Fully TTL Compatible
• Max Access/Min Cycle Times
V_CC ± 10%
’27C128-12
’27C/PC128-15
’27C/PC128-20
’27C/PC128-25
120 ns
150 ns
200 ns
250 ns
• Power Saving CMOS Technology
• Very High-Speed SNAP! Pulse Programming
• 3-State Output Buffers
• 400-mV Minimum DC Noise Immunity With
Standard TTL Loads
• Latchup Immunity of 250 mA on All Input
and Output Lines
• Low Power Dissipation ( V_CC = 5.25 V )
– Active . . . 158 mW Worst Case
– Standby . . . 1.4 mW Worst Case
(CMOS Input Levels)
• PEP4 Version Available With 168-Hour
Burn-In and Choices of Operating
Temperature Ranges
• 128K EPROM Available With MIL-STD-883C
Class B High-Reliability Processing
(SMJ27C128)
description
The TMS27C128 series are 131 072-bit,
ultraviolet-light
erasable,
electrically
programmable read-only memories.
The TMS27PC128 series are 131 072-bit, one
time electrically programmable read-only
memories.
SMLS128E–OCTOBER 1984–REVISED JANUARY 1993
J AND N PACKAGES
(TOP VIEW)
V_{PP 1}
A12 ₂
A7 ₃
A6 ₄
A5 ₅
A4 6
A3 7
A2 8
A1 9
A0 10
DQ0 11
DQ1 12
DQ2 13
GND 14
28 ^V_CC
27 ^PGM
26 ^A13
25 ^A8
24 ^A9
23 ^A11
22 G
21 A10
20 E
19 DQ7
18 DQ6
17 DQ5
16 DQ4
15 DQ3
FM PACKAGE
(TOP VIEW)
A6
A5
A4
A3
A2
A1
A0
NC
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
A8
A9
A11
NC
G
A10
E
DQ7
DQ6
PIN NOMENCLATURE
A0–A13
E
G
GND
NC
NU
PGM
DQ0–DQ7
VCC
VPP
Address Inputs
Chip Enable/Powerdown
Output Enable
Ground
No Connection
Make No External Connection
Program
Inputs (programming)/Outputs
5-V Power Supply
12-13 V Programming Power Supply
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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77251–1443
Copyright © 1993, Texas Instruments Incorporated
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