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TMS28F004ASB70CDCDL Datasheet(PDF) 41 Page - Texas Instruments

Part # TMS28F004ASB70CDCDL
Description  524288 BY 8-BIT/262144 BY 16-BIT AUTO-SELECT BOOT-BLOCK FLASH MEMORIES
PDF  80 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TMS28F004ASB70CDCDL Datasheet(HTML) 41 Page - Texas Instruments

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TMS28F004Axy, TMS28F400Axy
524288 BY 8-BIT/262144 BY 16-BIT
AUTO-SELECT BOOT-BLOCK FLASH MEMORIES
SMJS829A – JANUARY 1996 – REVISED AUGUST 1997
41
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251–1443
timing requirements for TMS28F004AEy and TMS28F400AEy (continued)
write/erase operations — W-controlled writes
ALT
’28F004AEy 70
’28F400AEy 70
’28F004AEy80
’28F400AEy80
ALT.
SYMBOL
3.0-V VCC
RANGE
5-V VCC
RANGE
3.0-V VCC
RANGE
5-V VCC
RANGE
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
tc( W )
Cycle time, write
tAVAV
130
70
150
80
ns
tc( W )OP
Cycle time, duration of
programming operation
tWHQV1
6
6
6
6
µs
tc( W )ERB
Cycle time, erase operation (boot
block)
tWHQV2
0.3
0.3
0.3
0.3
s
tc( W )ERP
Cycle time, erase operation
(parameter block)
tWHQV3
0.3
0.3
0.3
0.3
s
tc( W )ERM
Cycle time, erase operation
(main block)
tWHQV4
0.6
0.6
0.6
0.6
s
td(RPR)
Delay time, boot-block relock
tPHBR
200
100
200
100
ns
th(A)
Hold time, A0 – A17 (see Note 15)
tWHAX
0
0
0
0
ns
th(D)
Hold time, DQ valid
tWHDX
0
0
0
0
ns
th(E)
Hold time, E
tWHEH
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)
Setup time, A0 – A17
(see Note 15)
tAVWH
105
50
120
50
ns
tsu(D)
Setup time, DQ
tDVWH
105
50
120
50
ns
tsu(E)
Setup time, E before write
operation
tELWL
0
0
0
0
ns
tsu(RP)
Setup time, RP at VHH to W
going high
tPHHWH
200
100
200
100
ns
tsu( VPP)1
Setup time, VPP to W going high
tVPWH
200
100
200
100
ns
tw( W )
Pulse duration, W low
tWLWH
105
50
120
50
ns
tw( WH)
Pulse duration, W high
tWLWL
25
20
30
30
ns
trec(RPHW)
Recovery time, RP high to W
going low
tPHWL
800
450
800
450
ns
NOTE 15: A–1 – A17 for byte-wide



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