WF2M32-90G2UC5 데이터 시트보기 (PDF) - White Electronic Designs => Micro Semi
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WF2M32-90G2UC5 Datasheet PDF : 15 Pages
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White Electronic Designs
WF2M32-XXX5
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS,CS# CONTROLLED
VCC = 5.0V, VSS = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Symbol
-90
-120
-150
Unit
Min
Max
Min
Max
Min
Max
Write Cycle Time
tAVAV
tWC
90
120
150
ns
Write Enable Setup Time
tWLEL
tWS
0
0
0
ns
Chip Select Pulse Width
tELEH
tCP
45
50
50
ns
Address Setup Time
tAVEL
tAS
0
0
0
ns
Data Setup Time
tDVEH
tDS
45
50
50
ns
Data Hold Time
tEHDX
tDH
0
0
0
ns
Address Hold Time
tELAX
tAH
45
50
50
ns
Chip Select Pulse Width High
tEHEL
tCPH
20
20
20
ns
Duration of Byte Programming Operation (1) tWHWH1
300
300
300
µs
Sector Erase Time (2)
tWHWH2
15
15
15
sec
Read Recovery Time
tGHEL
0
0
0
µs
Chip Programming Time
44
44
44
sec
Chip Erase Time (3)
256
256
256
sec
Output Enable Hold Time (4)
tOEH
10
10
10
ns
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.
FIGURE 3 – AC TEST CIRCUIT
IOL
Current Source
D.U.T.
Ceff = 50 pf
IOH
Current Source
VZ ≈ 1.5V
(Bipolar Supply)
AC TEST CONDITIONS
Parameter
Input Pulse Levels
Input Rise and Fall
Input and Output Reference Level
Output Timing Reference Level
Typ
VIL = 0, VIH = 3.0
5
1.5
1.5
Unit
V
ns
V
V
Notes:
VZ is programmable from -2V to +7V.
IOL & IOH programmable from 0 to 16mA.
Tester Impedance Z0 = 75 ý.
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.
FIGURE 4 – RESET TIMING DIAGRAM
RESET#
tRP
tReady
October 2004
Rev. 5
5
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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