參數(shù)資料
型號： TMS28F004AMB70CDBJL
廠商： Texas Instruments, Inc.
英文描述： 524288 BY 8-BIT/262144 BY 16-BIT AUTO-SELECT BOOT-BLOCK FLASH MEMORIES
中文描述： 524288按8-BIT/262144由16位自動選擇啟動塊閃存
文件頁數(shù)： 3/80頁
文件大?。?/td> 1080K
代理商： TMS28F004AMB70CDBJL
TMS28F004Axy, TMS28F400Axy
524288 BY 8-BIT/
262
144 BY 16-BIT
AUTO-SELECT BOOT-BLOCK FLASH MEMORIES
SMJS829A – JANUARY 1996 – REVISED AUGUST 1997
3
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
description
device symbol nomenclature
functional block diagram
architecture
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
block memory maps
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
boot-block data protection
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
parameter block
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
main block
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
data protection
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
command-state machine (CSM)
operation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
command definitions
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status register
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
byte-wide or word-wide mode selection
command-state machine (CSM) operations
clear status register
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
5
6
6
6
8
8
8
8
8
9
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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10
11
13
13
. . . . . . . . . . . . . . . .
. . . . . . . . . . .
read operations
programming operations
erase operations
automatic power-saving mode
reset/deep power-down mode
power-supply detection
absolute maximum ratings
capacitance
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TMS28F004ASy and TMS28F400ASy
TMS28F004AEy and TMS28F400AEy
TMS28F004AMy and TMS28F400AMy
TMS28F004AFy and TMS28F400AFy
TMS28F004AZy and TMS28F400AZy
Parameter Measurement Information
mechanical data – DBJ (R-PDSO-G44)
mechanical data – DCD (R-PDSO-G**)
14
14
15
15
15
16
21
22
23
33
44
52
62
71
78
79
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Table of Contents
description
The TMS28F400Axy is a 524288 by 8 bits/262144 by 16 bits (4194304-bit), boot-block flash memory that can
be electrically block-erased and reprogrammed. The TMS28F400Axy is organized in a blocked architecture
consisting of:
One 16K-byte protected boot block
Two 8K-byte parameter blocks
One 96K-byte main block
Three 128K-byte main blocks
Table 1 lists the five different voltage configurations available for ordering. Operation as a 512K-byte (8-bit) or
a 256K-word (16-bit) organization is user-definable.
Table 1. V
CC
/V
PP
Voltage Configurations, Temperature, and Speeds Matrix
DEVICE CONFIGURATION
DEVICE
READ (VCC)
PROGRAM/ERASE (VPP)
TEMPERATURE
(TA)
0
°
C to 70
°
C
–40
°
C to 85
°
C
0
°
C to 70
°
C
–40
°
C to 85
°
C
0
°
C to 70
°
C
–40
°
C to 85
°
C
0
°
C to 70
°
C
–40
°
C to 85
°
C
–40
°
C to 125
°
C
0
°
C to 70
°
C
–40
°
C to 85
°
C
–40
°
C to 125
°
C
ACCESS SPEEDS – 5-V(3.3-V) VCC
TMS28F400ASy
3 3 V
0 3 V or 5 V
3.3 V
±
0.3 V or 5 V
±
10%
5 V
±
10% or 12 V
±
5%
60(110), 70(130), 80(150) ns
60(110), 70(130), 80(150) ns
TMS28F400AEy
2 7 to 3 6 V or 5 V
2.7 to 3.6 V or 5 V
±
10%
5 V
±
10% or 12 V
±
5%
60(110), 70(130), 80(150) ns
60(110), 70(130), 80(150) ns
TMS28F400AMy
3 3 V
0 3 V or 5 V
3.3 V
±
0.3 V or 5 V
±
10%
12 V
±
1
0%
60(110), 70(130), 80(150) ns
60(110), 70(130), 80(150) ns
60, 70, 80 ns
TMS28F400AFy
5 V
±
1
0%
5 V
±
10% or 12 V
±
5%
60, 70, 80 ns
70, 80, 90 ns
60, 70, 80 ns
TMS28F400AZy
5 V
±
10%
12 V
±
10%
60, 70, 80 ns
70, 80, 90 ns
Only the 44-pin PSOP is offered in the –40
°
C to 125
°
C temperature range.
NOTE 1: All configurations are available in the TMS28F004Axy (8 bit configuration only) and top or bottom boot.
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