WF128K16 Ver la hoja de datos (PDF) - Unspecified
Número de pieza
componentes Descripción
Fabricante
WF128K16 Datasheet PDF : 11 Pages
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WF128K16, WF256K16-XCX5
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS, CS CONTROLLED
(VCC = 5.0V, VSS = 0V, TA = -55°C to +125°C)
Parameter
Write Cycle Time
WE Setup Time
CS Pulse Width
Address Setup Time
Data Setup Time
Data Hold Time
Address Hold Time
WE Hold from WE High
CS Pulse Width High
Duration of Programming Operation
Duration of Erase Operation
Read Recovery before Write
Chip Programming Time
Symbol
tAVAV tWC
tWLEL tWS
tELEH tCP
tAVEL tAS
tDVEH tDS
tEHDX tDH
tELAX tAH
tEHWH tWH
tEHEL tCPH
tWHWH1
tWHWH2
tGHEL
-50
Min Max
50
-60
Min Max
60
-70
-90
Min Max Min Max
70
90
-120
Min Max
120
0
0
0
0
0
25
30
35
45
50
0
0
0
0
0
25
30
30
45
50
0
0
0
0
0
40
45
45
45
50
0
0
0
0
0
20
20
20
20
20
14
14
14
14
14
2.2 60 2.2 60 2.2 60 2.2 60 2.2 60
0
0
0
0
0
12.5
12.5
12.5
12.5
12.5
-150
Unit
Min Max
150
ns
0
ns
50
ns
0
ns
50
ns
0
ns
50
ns
0
ns
20
ns
14
µs
2.2 60 sec
0
ns
12.5 sec
FIG. 2
AC TEST CIRCUIT
I OL
Current Source
D.U.T.
Ceff = 50 pf
I OH
Current Source
7
VZ ≈ 1.5V
(Bipolar Supply)
AC TEST CONDITIONS
Parameter
Typ
Unit
Input Pulse Levels
VIL = 0, VIH = 3.0 V
Input Rise and Fall
5
ns
Input and Output Reference Level
1.5
V
Output Timing Reference Level
1.5
V
NOTES:
VZ is programmable from -2V to +7V.
IOL & IOH programmable from 0 to 16mA.
Tester Impedance Z0 = 75 Ω.
VZ is typically the midpoint of VOH and VOL.
IOL & IOH are adjusted to simulate a typical resistive load circuit.
ATE tester includes jig capacitance.
5
White Microelectronics • Phoenix, AZ • (602) 437-1520
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