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TMS28F020-12 Datasheet

  • TMS28F020-12

  • 262144 BY 8-BIT FLASH MEMORY

  • 313.95KB

  • 21頁(yè)

  • TI

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TMS28F020
262144
BY 8-BIT
FLASH MEMORY
SMJS020C 鈥?OCTOBER 1994 鈥?REVISED JANUARY 1998
D
D
D
A12
A15
A16
VPP
VCC
W
A17
4
3 2 1 32 31 30
29
28
27
26
25
24
23
22
21
14 15 16 17 18 19 20
D
D
D
D
D
D
D
Organization . . . 262 144 by 8-Bits
Pin Compatible With Existing 2-Megabit
EPROMs
V
CC
Tolerance
鹵10%
All Inputs/Outputs TTL Compatible
Maximum Access/Minimum Cycle Time
鈥?8F020-10
100 ns
鈥?8F020-12
120 ns
鈥?8F020-15
150 ns
鈥?8F020-17
170 ns
Industry-Standard Programming Algorithm
100 000 and 10 000 Program / Erase-Cycle
Versions Available
Latchup Immunity of 250 mA on All Input
and Output Lines
Low Power Dissipation (V
CC
= 5.5 V)
鈥?Active Write . . . 55 mW
鈥?Active Read . . . 165 mW
鈥?Electrical Erase . . . 82.5 mW
鈥?Standby . . . 0.55 mW
(CMOS-Input Levels)
Automotive Temperature Range
鈥?40擄C to 125擄C
FM PACKAGE
( TOP VIEW )
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
5
6
7
8
9
10
11
12
13
A14
A13
A8
A9
A11
G
A10
E
DQ7
PIN NOMENCLATURE
A0 鈥?A17
DQ0 鈥?DQ7
E
G
VCC
VPP
VSS
W
Address Inputs
Inputs (programming) / Outputs
Chip Enable
Output Enable
5-V Power Supply
12-V Power Supply
Ground
Write Enable
description
The TMS28F020 flash memory is a 262 144 by
8-bit (2 097 152-bit), programmable read-only
memory that can be electrically bulk-erased and
reprogrammed. It is available in 100 000 and
10 000 program/erase-endurance-cycle versions.
The TMS28F020 is offered in a 32-lead plastic
leaded chip-carrier package using 1,25-mm
(50-mil) lead spacing (FM suffix) and a 32-lead
thin small-outline package (DD suffix).
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.
Copyright
漏
1998, 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.
POST OFFICE BOX 1443
鈥?/div>
HOUSTON, TEXAS 77251鈥?443
DQ1
DQ2
VSS
DQ3
DQ4
DQ5
DQ6
1

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