Characteristics – Read Only Operations
(Vcc = 5.0V, Vss = 0V, T
C
= -55°C to +125°C)
Parameter
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
Note 1. Guaranteed by design, but not tested
Symbol
t
AVAV
t
AVQV
t
ELQV
t
GLQV
t
EHQZ
t
GHQZ
t
AXQX
t
RC
t
ACC
t
CE
t
OE
t
DF
t
DF
t
OH
0
–60
60
60
60
30
20
20
0
–70
70
70
70
35
20
20
0
–90
90
90
90
40
25
25
0
–120
Min Max
120
120
120
50
30
30
0
–150
Min Max
150
150
150
55
35
35
JEDEC Stand’d Min Max Min Max Min Max
Units
ns
ns
ns
ns
ns
ns
ns
AC Characteristics – Write/Erase/Program Operations, WE Controlled
(Vcc = 5.0V, Vss = 0V, Tc = -55°C to +125°C)
Parameter
Write Cycle Time
Chip Enable Setup Time
Write Enable Pulse Width
Address Setup Time
Data Setup Time
Data Hold Time
Address Hold Time
Chip Enable Hold Time (1)
Write Enable Pulse Width High
Duration of Byte Programming Operation
Sector Erase Time
Chip Erase Time
Read Recovery Time before Write (1)
Vcc Setup Time (1)
Chip Programming Time
Output Enable Setup Time (1)
Output Enable Hold Time (1)
Note 1. Guaranteed by design, but not tested
t
OES
t
OEH
0
10
Symbol
t
AVAC
t
ELWL
t
WLWH
t
AVWL
t
DVWH
t
WHDX
t
WLAX
t
WHEH
t
WHWL
t
WHWH
1
t
WHWH
2
t
WHWH
3
t
WC
t
CE
t
WP
t
AS
t
DS
t
DH
t
AH
t
CH
t
WPH
–60
60
0
30
0
30
0
45
0
20
60
120
0
t
VCE
50
12.5
0
10
0
50
12.5
0
10
–70
70
0
35
0
30
0
45
0
20
60
120
0
50
12.5
0
10
–90
90
0
45
0
45
0
45
0
20
60
120
0
50
12.5
0
10
–120
Min Max
120
0
50
0
50
0
50
0
20
14
TYP
60
120
0
50
12.5
–150
Min Max
150
0
50
0
50
0
50
0
20
14
TYP
60
120
JEDEC Stand’d Min Max Min Max Min Max
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
Sec
Sec
µs
µs
Sec
ns
ns
14 TYP 14 TYP 14 TYP
t
GHWL
AC Characteristics – Write/Erase/Program Operations, CE Controlled
(Vcc = 5.0V, Vss = 0V, T
C
= -55°C to +125°C)
Parameter
Write Cycle Time
Write Enable Setup Time
Chip Enable Pulse Width
Address Setup Time
Data Setup Time
Data Hold Time
Address Hold Time
Write Enable Hold Time (1)
Write Select Pulse Width High
Duration of Byte Programming
Sector Erase Time
Chip Erase Time
Read Recovery Time (1)
Chip Programming Time
Note 1. Guaranteed by design, but not tested
Symbol
t
AVAC
t
WLE
L
t
ELEH
t
AVEL
t
DVEH
t
EHDX
t
ELAX
t
EHWH
t
EHEL
t
WHWH
1
t
WHWH
2
t
WHWH
3
t
WC
t
WS
t
CP
t
AS
t
DS
t
DH
t
AH
t
WH
t
CPH
–60
60
0
35
0
30
0
45
0
20
60
120
0
12.5
0
12.5
–70
70
0
35
0
30
0
45
0
20
60
120
0
12.5
–90
90
0
45
0
45
0
45
0
20
60
120
0
12.5
–120
Min Max
120
0
50
0
50
0
50
0
20
14
TYP
60
120
0
12.5
–150
Min Max
150
0
55
0
55
0
55
0
20
14
TYP
60
120
JEDEC Stand’d Min Max Min Max Min Max
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
Sec
Sec
ns
Sec
14 TYP 14 TYP 14 TYP
t
GHEL
Aeroflex Circuit Technology
4
SCD1667 REV A 4/28/97 Plainview NY (516) 694-6700
AEROFLEX [ AEROFLEX CIRCUIT TECHNOLOGY ]
