WF4M16-120DTC5 データシートの表示（PDF） - White Electronic Designs Corporation
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WF4M16-120DTC5 Datasheet PDF : 11 Pages
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WF4M16-XDTX5
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS,CS CONTROLLED
(VCC = 5.0V, VSS = 0V, TA = -55°C to +125°C)
Parameter
Write Cycle Time
Write Enable Setup Time
Chip Select Pulse Width
Address Setup Time
Data Setup Time
Data Hold Time
Address Hold Time
Chip Select Pulse Width High
Duration of Byte Programming Operation (1)
Sector Erase Time (2)
Read Recovery Time
Chip Programming Time
Chip Erase Time (3)
Output Enable Hold Time (4)
NOTES:
1. Typical value for tWHWH1 is 7µs.
2. Typical value for tWHWH2 is 1sec.
3. Typical value for Chip Erase Time is 32sec.
4. For Toggle and Data Polling.
Symbol
tAVAV
tWLEL
tELEH
tAVEL
tDVEH
tEHDX
tELAX
tEHEL
tWHWH1
tWHWH2
tGHEL
tWC
tWS
tCP
tAS
tDS
tDH
tAH
tCPH
tOEH
-90
Min
Max
90
0
45
0
45
0
45
20
300
15
0
44
256
10
-120
Min
Max
120
0
50
0
50
0
50
20
300
15
0
44
256
10
-150
Unit
Min
Max
150
ns
0
ns
50
ns
0
ns
50
ns
0
ns
50
ns
20
ns
300
µs
15
sec
0
µs
44
sec
256
sec
10
ns
FIG. 2
AC TEST CIRCUIT
I OL
Current Source
D.U.T.
Ceff = 50 pf
I OH
Current Source
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.
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
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