E
28F020
(1)
4.11 AC Characteristics—Alternate CE# Controlled Writes —Commercial and
Extended Temperature Products
Versions
28F020-90(4)
28F020-120(4)
28F020-150(4)
Symbol
Characteristics
Write Cycle Time
Notes
Min
90
0
Max
Min
120
0
Max
Min
150
0
Max
Unit
ns
tAVAV
tAVEL
Address Set-Up
Time
ns
tELAX
Address Hold Time
Data Set-Up Time
Data Hold Time
50
60
40
50
10
6
55
60
45
50
10
6
55
45
ns
ns
5
5
tDVEH
tEHDX
tEHGL
10
6
ns
Write Recovery Time
before Read
µs
tGHWL
tWLEL
Read Recovery
Time before Write
2
0
0
0
0
0
0
ns
ns
Write Enable Set-Up
Time before Chip
Enable
tEHWH
tELEH
Write Enable Hold
Time
0
0
0
ns
ns
Write Pulse Width
50
60
20
60
60
20
70
5
tEHEL
Write Pulse Width
High
20
10
9.5
1
ns
µs
tEHEH1
tEHEH2
tVPEL
Duration of Prog.
Operation
3
3
2
10
9.5
1
10
9.5
1
Duration of Erase
Operation
ms
µs
VPP Set-Up Time to
Chip Enable Low
35
INTEL [ INTEL ]
