參數(shù)資料
型號： TMS28F004AMB70BDBJL
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)： 43/80頁
文件大?。?/td> 1080K
代理商： TMS28F004AMB70BDBJL
TMS28F004Axy, TMS28F400Axy
524288 BY 8-BIT/
262
144 BY 16-BIT
AUTO-SELECT BOOT-BLOCK FLASH MEMORIES
SMJS829A – JANUARY 1996 – REVISED AUGUST 1997
43
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
timing requirements for TMS28F004AEy and TMS28F400AEy (continued)
write/erase operations — E-controlled writes
ALT.
’28F004AEy70
’28F400AEy70
’28F004AEy80
’28F400AEy80
SYMBOL
3-V VCC
RANGE
5-V VCC
RANGE
3-V VCC
RANGE
5-V VCC
RANGE
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
tc(E)
Cycle time, write
tAVAV
130
70
150
80
ns
tc(E)OP
Cycle time, duration of
programming operation
tEHQV1
6
6
6
6
μ
s
tc(E)ERB
Cycle time, erase operation (boot
block)
tEHQV2
0.3
0.3
0.3
0.3
s
tc(E)ERP
Cycle time, erase operation
(parameter block)
tEHQV3
0.3
0.3
0.3
0.3
s
tc(E)ERM
Cycle time, erase operation (main
block)
tEHQV4
0.6
0.6
0.6
0.6
s
td(RPR)
th(A)
th(D)
th(W)
Delay time, boot-block relock
tPHBR
tEHAX
tEHDX
tEHWH
200
100
200
100
ns
Hold time, A0–A17 (see Note 15)
0
0
0
0
ns
Hold time, DQ valid
0
0
0
0
ns
Hold time, W
0
0
0
0
ns
th(VPP)
Hold time, VPP from valid
status-register bit
tQVVL
0
0
0
0
ns
th(RP)
Hold time, RP at VHH from valid
status-register bit
tQVPH
0
0
0
0
ns
th(WP)
Hold time, WP from valid status
register bit
tWHPL
0
0
0
0
ns
tsu(WP)
Setup time, WP before write
operation
tELPH
105
50
120
50
ns
tsu(A)
tsu(D)
Setup time, A0–A17 (see Note 15)
tAVEH
tDVEH
105
50
120
50
ns
Setup time, DQ
105
50
120
50
ns
tsu(W)
Setup time, W before write
operation
tWLEL
0
0
0
0
ns
tsu(RP)
Setup time, RP at VHH to E going
high
tPHHEH
200
100
200
100
ns
tsu(VPP)2
tw(E)
tw(EH)
Setup time, VPP to E going high
Pulse duration, E low
tVPEH
tELEH
tEHEL
200
100
200
100
ns
105
50
120
50
ns
Pulse duration, E high
25
20
30
30
ns
trec(RPHE)
Recovery time, RP high to E going
low
tPHEL
800
450
800
450
ns
NOTE 15: A–1–A17 for byte-wide
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