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TMS27PC12820NL PDF预览

TMS27PC12820NL

更新时间: 2024-11-27 22:42:07
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德州仪器 - TI 存储可编程只读存储器
页数 文件大小 规格书
14页 142K
描述
131 072-BIT UV ERASABLE PROGRAMMABLE READ-ONLY MEMORY

TMS27PC12820NL 数据手册

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TMS27C128 131 072-BIT UV ERASABLE PROGRAMMABLE READ-ONLY MEMORY  
TMS27PC128 131 072-BIT PROGRAMMABLE READ-ONLY MEMORY  
SMLS128E–OCTOBER 1984–REVISED JANUARY 1993  
J AND N PACKAGES  
This Data Sheet is Applicable to All  
(TOP VIEW)  
TMS27C128s and TMS27PC128s Symbolized  
with Code “B” as Described on Page 12.  
V
A12  
A7  
A6  
A5  
A4  
A3  
A2  
A1  
A0  
DQ0  
DQ1  
DQ2  
GND  
V
CC  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
PP  
Organization . . . 16K × 8  
PGM  
A13  
A8  
A9  
A11  
G
2
Single 5-V Power Supply  
3
4
Pin Compatible With Existing 128K MOS  
ROMs, PROMs, and EPROMs  
5
6
All Inputs/Outputs Fully TTL Compatible  
7
A10  
E
8
Max Access/Min Cycle Times  
9
V
± 10%  
CC  
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
10  
11  
12  
13  
14  
’27C128-12  
120 ns  
’27C/PC128-15 150 ns  
’27C/PC128-20 200 ns  
’27C/PC128-25 250 ns  
Power Saving CMOS Technology  
Very High-Speed SNAP! Pulse Programming  
3-State Output Buffers  
FM PACKAGE  
(TOP VIEW)  
400-mV Minimum DC Noise Immunity With  
Standard TTL Loads  
4
5
3
2
1
32 31 30  
29  
Latchup Immunity of 250 mA on All Input  
and Output Lines  
A6  
A5  
A4  
A3  
A2  
A8  
A9  
28  
27  
26  
25  
24  
23  
22  
21  
6
7
8
9
A11  
NC  
G
A10  
E
Low Power Dissipation (V  
= 5.25 V)  
CC  
– Active . . . 158 mW Worst Case  
– Standby . . . 1.4 mW Worst Case  
(CMOS Input Levels)  
A1 10  
A0 11  
NC 12  
PEP4 Version Available With 168-Hour  
Burn-In and Choices of Operating  
Temperature Ranges  
DQ7  
DQ6  
DQ0  
13  
14 15 16 17 18 19 20  
128K EPROM Available With MIL-STD-883C  
Class B High-Reliability Processing  
(SMJ27C128)  
description  
PIN NOMENCLATURE  
The TMS27C128 series are 131 072-bit,  
ultraviolet-light erasable, electrically  
programmable read-only memories.  
A0–A13  
E
G
GND  
NC  
NU  
Address Inputs  
Chip Enable/Powerdown  
Output Enable  
Ground  
No Connection  
Make No External Connection  
Program  
The TMS27PC128 series are 131 072-bit, one  
time electrically programmable read-only  
memories.  
PGM  
DQ0–DQ7 Inputs (programming)/Outputs  
V
CC  
V
PP  
5-V Power Supply  
12-13 V Programming Power Supply  
Copyright 1993, 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.  
1
POST OFFICE BOX 1443 HOUSTON, TEXAS  
77251–1443  

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