AC Characteristics – Read Only Operations
(Vcc = 5.0V, Vss = 0V, TC = -55°C to +125°C)
Symbol –60
JEDEC Stand’d Min Max Min Max Min Max Min Max Min Max
–70
–90
–120
–150
Parameter
Units
tAVAV
tAVQV
tELQV
tGLQV
tEHQZ
tGHQZ
tAXQX
tRC
tACC
tCE
60
70
90
120
150
ns
ns
ns
ns
ns
ns
ns
Read Cycle Time
60
60
30
20
20
70
70
35
20
20
90
90
35
20
20
120
120
50
150
150
55
Address Access Time
Chip Enable Access Time
tOE
tDF
Output Enable to Output Valid
30
35
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
Note 1. Guaranteed by design, but not tested.
tDF
30
35
tOH
0
0
0
0
0
AC Characteristics – Write/Erase/Program Operations, WE Controlled
(Vcc = 5.0V, Vss = 0V, TC = -55°C to +125°C)
Symbol –60 –70
–90
–120
–150
Parameter
Units
JEDEC Stand’d Min Max Min Max Min Max Min Max Min Max
tAVAC
tELWL
tWLWH
tAVWL
tWC
tCE
tWP
tAS
60
0
70
0
90
0
120
0
150
0
ns
ns
Write Cycle Time
A
Chip Enable Setup Time
Write Enable Pulse Width
Address Setup Time
40
0
45
0
45
0
50
0
50
0
ns
ns
tDVWH
tWHDX
tWLAX
tDS
40
0
45
0
45
0
50
0
50
0
ns
Data Setup Time
tDH
tAH
tWPH
ns
Data Hold Time
45
20
45
20
45
20
50
20
50
20
ns
Address Hold Time
tWHWL
tWHWH1
tWHWH2
tWHWH3
ns
Write Enable Pulse Width High
Duration of Byte Programming
Sector Erase Time
14 TYP 14 TYP 14 TYP 14 TYP 14 TYP
µs
30
30
30
30
30
Sec
Sec
µs
120
120
120
120
120
Chip Erase Time
tGHWL
0
0
0
0
0
Read Recovery Time before Write (2)
Vcc Setup Time (2)
tVCE
50
50
50
50
50
µs
50
50
50
50
50
Sec
ns
Chip Programming Time
Output Enable Setup Time (2)
Output Enable Hold Time (1) (2)
tOES
tOEH
0
0
0
0
0
10
10
10
10
10
ns
Notes: 1. For Toggle and Data Polling. 2. Guaranteed by design, but not tested.
AC Characteristics – Write/Erase/Program Operations, CE Controlled
(Vcc = 5.0V, Vss = 0V, TC = -55°C to +125°C)
Symbol –60 –70
JEDEC Stand’d Min Max Min Max Min Max Min Max Min Max
–90
–120
–150
Parameter
Units
tAVAC
tWLEL
tELEH
tWC
tWS
tCP
60
0
70
0
90
0
120
0
150
0
ns
ns
Write Cycle Time
Write Enable Setup Time
Chip Enable Pulse Width
Address Setup Time
40
0
45
0
45
0
50
0
50
0
ns
tAVEL
tAS
ns
tDVEH
tDS
40
0
45
0
45
0
50
0
50
0
ns
Data Setup Time
tEHDX
tDH
tAH
tCPH
ns
Data Hold Time
tELAX
45
20
45
20
45
20
50
20
50
20
ns
Address Hold Time
tEHEL
ns
Chip Enable Pulse Width High
Duration of Byte Programming Operation
Sector Erase Time
tWHWH1
tWHWH2
tWHWH3
14 TYP 14 TYP 14 TYP 14 TYP 14 TYP
µs
30
30
30
30
30
Sec
Sec
µs
120
120
120
120
120
Chip Erase Time
t
GHEL
0
0
0
0
0
Read Recovery Time Before Write (1)
Chip Programming Time
1. Guaranteed by design, but not tested.
50
50
50
50
50
Sec
4
Aeroflex Circuit Technology
SCD1665 REV B 6/29/01 Plainview NY (516) 694-6700
AEROFLEX [ AEROFLEX CIRCUIT TECHNOLOGY ]
