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NX29F010
16
NexFlash Technologies, Inc.
NXPF001F-0600
06/22/00 ©
AC CHARACTERISTICS: ERASE AND PROGRAM
Std.
-35
-45
-55
-70
-90
Symbol Parameter
Min. Max.
Min. Max.
Min. Max.
Min. Max.
Min. Max.
Unit
tWC
Write Cycle Time(1)
35
—
45
—
45
—
45
—
90
—
ns
tAS
Address Setup Time
0
—
0
—
0
—
0
—
0
—
ns
tAH
Address Hold Time
30
—
35
—
45
—
45
—
45
—
ns
tDS
Data Setup Time
15
—
20
—
20
—
30
—
45
—
ns
tDH
Data Hold Time
0
—
0
—
0
—
0
—
0
—
ns
tGHWL
Read Recovery Time before Write 0
—
0
—
0
—
0
—
0
—
ns
(
OE HIGH to WE LOW)
tCS
CE Setup Time
0
—
0
—
0
—
0
—
0
—
ns
tCH
CE Hold Time
0
—
0
—
0
—
0
—
0
—
ns
tWP
Write Pulse Width
20
—
25
—
30
—
35
—
45
—
ns
tWPH
Write Pulse Width HIGH
20
—
20
—
20
—
20
—
20
—
ns
tWHWH1
Byte Programming Operation(2)
20
—
20
—
20
—
20
—
20
—
µs
tWHWH2
Sector Erase Operation(2)
1.0
—
1.0
—
1.0
—
1.0
—
1.0
—
sec
tVCS
VCC Setup Time(1)
50
—
50
—
1.0
—
1.0
—
1.0
—
µs
Note:
1. Not 100% tested.
TEST CONDITIONS
Table 6. AC Test Specifications
TestConditions
35 ns
AllOthers
Unit
OutputLoad
1 TTL Gate
Output Load Capacitance, CL
30
100
pF
(including jig capacitance)
Input Rise and Fall Times
5
20
ns
Input Pulse Levels
0 to 3.0
0.45 to 2.4
V
InputTimingMeasurement
1.5
0.8
V
ReferenceLevels
OutputTimingMeasurement
1.5
2.0
V
ReferenceLevels
DEVICE
UNDER
TEST
6.2K
Ω
2.7K
Ω
Vcc = 5.0V
CL
Figure 12. Test Setup