ACT-SF512K32 Просмотр технического описания (PDF) - Aeroflex Corporation
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ACT-SF512K32 Datasheet PDF : 11 Pages
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Flash AC Characteristics – Read Only Operations
(Vcc = 5.0V, Vss = 0V, Tc = -55°C to +125°C)
Parameter
Symbol
–60
–70
–90
Units
JEDEC Stand’d Min Max Min Max Min Max
Read Cycle Time
Address Access Time
Chip Enable Access Time
Output Enable to Output Valid
Chip Enable to Output High Z (1)
Output Enable High to Output High Z(1)
Output Hold from Address, CE or OE Change, Whichever is First
tAVAV
tAVQV
tELQV
tGLQV
tEHQZ
tGHQZ
tAXQX
tRC
60
70
90
ns
tACC
60
70
90 ns
tCE
60
70
90 ns
tOE
30
35
35 ns
tDF
20
20
20 ns
tDF
20
20
20 ns
tOH
0
0
0
ns
Note 1. Guaranteed by design, but not tested
Flash AC Characteristics – Write / Erase / Program Operations, FWE Controlled
(Vcc = 5.0V, Vss = 0V, Tc = -55°C to +125°C)
Parameter
Symbol
–60
–70
–90
Units
JEDEC Stand’d Min Max Min Max Min Max
Write Cycle Time
Chip Enable Setup Time
Write Enable Pulse Width
Address Setup Time
Data Setup Time
Data Hold Time
Address Hold Time
Write Enable Pulse Width High
Duration of Byte Programming Operation
Sector Erase Time
Read Recovery Time before Write
Vcc Setup Time
Chip Programming Time
Chip Enable Hold Time
Chip Erase Time
tAVAC
tELWL
tWLWH
tAVWL
tDVWH
tWHDX
tWLAX
tWHWL
tWHWH1
tWHWH2
tGHWL
tWHWH3
tWC
tCE
tWP
tAS
tDS
tDH
tAH
tWPH
tVCE
tOEH 1
60
70
90
ns
0
0
0
ns
40
45
45
ns
0
0
0
ns
40
45
45
ns
0
0
0
ns
45
45
45
ns
20
20
20
ns
14 TYP 14 TYP 14 TYP
µs
30
30
30
Sec
0
0
0
µs
50
50
50
µs
50
50
50
Sec
10
10
10
ns
120
120
120 Sec
1. Toggle and Data Polling only.
Flash AC Characteristics – Write / Erase / Program Operations, FCE Controlled
(Vcc = 5.0V, Vss = 0V, Tc = -55°C to +125°C)
Parameter
Symbol
–60
–70
–90
Units
JEDEC Stand’d Min Max Min Max Min Max
Write Cycle Time
tAVAC
tWC
60
70
90
ns
Write Enable Setup Time
tWLEL
tWS
0
0
0
ns
Chip Enable Pulse Width
tELEH
tCP
40
45
45
ns
Address Setup Time
tAVEL
tAS
0
0
0
ns
Data Setup Time
tDVEH
tDS
40
45
45
ns
Data Hold Time
tEHDX
tDH
0
0
0
ns
Address Hold Time
tELAX
tAH
45
45
45
ns
Chip Enable Pulse Width High
tEHEL
tCPH
20
20
20
ns
Duration of Byte Programming
tWHWH1
14 TYP 14 TYP 14 TYP µs
Sector Erase Time
Read Recovery Time
tWHWH2
tGHEL
30
30
30
Sec
0
0
0
ns
Chip Programming Time
50
50
50
Sec
Chip Erase Time
tWHWH3
120
120
120 Sec
Aeroflex Circuit Technology
5
SCD3852 REV A 5/20/98 Plainview NY (516) 694-6700
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