WMF512K8-XXX5
White Electronic Designs
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS,CS# CONTROLLED
VCC = 5.0V, VSS = 0V, -55°C ≤ TA ≤ +125°C
-60
-70
-90
-120
-150
Parameter
Symbol
Unit
Min Max Min Max Min Max Min Max Min Max
Write Cycle Time
tAVAV
tWLEL
tELEH
tWC
tWS
tCP
60
0
40
0
70
0
45
0
90
0
45
0
120
0
50
0
150
0
50
0
ns
ns
ns
Write Enable Setup Time
Chip Select Pulse Width
Address Setup Time
t
AVEL
t
AS
ns
Data Setup Time
Data Hold Time
t
DVEH
t
DS
40
0
45
0
45
0
50
0
50
0
ns
ns
t
EHDX
t
DH
Address Hold Time
tELAX
tEHEL
tAH
tCPH
40
20
45
20
45
20
50
20
50
20
ns
ns
µs
sec
ns
Chip Select Pulse Width High
Duration of Byte Programming Operation (1)
Sector Erase Time (2)
Read Recovery Time
t
t
WHWH1
300
15
300
15
300
15
300
15
300
15
WHWH2
t
GHEL
0
0
0
0
0
Chip Programming Time
Chip Erase Time (3)
11
64
11
64
11
64
11
64
11
64
sec
sec
NOTES:
1. Typical value for tWHWH1 is 7µs.
2. Typical value for tWHWH2 is 1sec.
3. Typical value for Chip Erase time is 8sec.
AC Test Conditions
AC TEST CIRCUIT
Parameter
Typ
Unit
V
Input Pulse Levels
VIL = 0, VIH = 3.0
IOL
Input Rise and Fall
Input and Output Reference Level
Output Timing Reference Level
5
1.5
1.5
ns
V
V
Current Source
D.U.T.
VZ 1.5V
(Bipolar Supply)
Notes:
Ceff = 50 pf
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.
IOH
IOL & IOH are adjusted to simulate a typical resistive load circuit.
ATE tester includes jig capacitance.
Current Source
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
November 2005
Rev. 6
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
