TMS27C512 Datasheet: Programmable ROM





TMS27C512 Programmable ROM Datasheet

Part Number TMS27C512
Description Programmable ROM
Manufacture etcTI
Total Page 13 Pages
PDF Download Download TMS27C512 Datasheet PDF

Features: D Organization . . . 65 536 by 8 Bits D Single 5-V Power Supply D Pin Compati ble With Existing 512K MOS ROMs, PROMs, and EPROMs D All Inputs/Outputs Fully TTL Compatible D Max Access/Min Cycle Time VCC ± 10% ’27C/PC512-10 ’27 C/PC512-12 ’27C/PC512-15 ’27C/PC512 -20 ’27C/PC512-25 100 ns 120 ns 150 ns 200 ns 250 ns D Power Saving CMOS T echnology D Very High-Speed SNAP! Puls e Programming 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 Low Power Dissipation ( VCC = 5. 25 V ) − Active . . . 158 mW Worst Ca se − Standby . . . 1.4 mW Worst Case (CMOS Input Levels) D Temperature Rang e Options D 512K EPROM Available With MIL-STD-883C Class B High Reliability P rocessing (SMJ27C512) description The TMS27C512 series are 65 536 by 8-bit (5 24 288-bit), ultraviolet (UV) light era sable, electrically programmable read-o nly memories (EPROMs). The TMS27PC512 series are 65 536 by 8-bit (524 288-bit).

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D Organization . . . 65 536 by 8 Bits
D Single 5-V Power Supply
D Pin Compatible With Existing 512K MOS
ROMs, PROMs, and EPROMs
D All Inputs/Outputs Fully TTL Compatible
D Max Access/Min Cycle Time
VCC ± 10%
’27C/PC512-10
’27C/PC512-12
’27C/PC512-15
’27C/PC512-20
’27C/PC512-25
100 ns
120 ns
150 ns
200 ns
250 ns
D Power Saving CMOS Technology
D Very High-Speed SNAP! Pulse
Programming
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 Low Power Dissipation ( VCC = 5.25 V )
− Active . . . 158 mW Worst Case
− Standby . . . 1.4 mW Worst Case
(CMOS Input Levels)
D Temperature Range Options
D 512K EPROM Available With MIL-STD-883C
Class B High Reliability Processing
(SMJ27C512)
description
The TMS27C512 series are 65 536 by 8-bit
(524 288-bit), ultraviolet (UV) light erasable,
electrically programmable read-only memories
(EPROMs).
The TMS27PC512 series are 65 536 by 8-bit
(524 288-bit), one-time programmable (OTP)
electrically programmable read-only memories
(PROMs).
TMS27C512 65536 BY 8ĆBIT UV ERASABLE
TMS27PC512 65536 BY 8ĆBIT
PROGRAMMABLE READĆONLY MEMORIES
SMLS512G − NOVEMBER 1985 − REVISED SEPTEMBER 1997
J PACKAGE
( TOP VIEW )
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
28 VCC
27 A14
26 A13
25 A8
24 A9
23 A11
22 G / VPP
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 / VPP
A10
E
DQ7
DQ6
A0 −A15
E
DQ0 −DQ7
G / VPP
GND
NC
NU
VCC
PIN NOMENCLATURE
Address Inputs
Chip Enable/Power Down
Inputs (programming) / Outputs
13-V Programming Power Supply
Ground
No Internal Connection
Make No External Connection
5-V Power Supply
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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