5962-9761201HXX Ver la hoja de datos (PDF) - White Electronic Designs Corporation
Número de pieza
componentes Descripción
Fabricante
5962-9761201HXX Datasheet PDF : 15 Pages
| |||
White Electronic Designs
WF4M32-XXX5
AC CHARACTERISTICS FOR G4T AND H2 PACKAGES WRITE/ERASE/PROGRAM OPERATIONS,CS CONTROLLED
(VCC = 5.0V, GND = 0V, TA = -55°C TO +125°C)
Parameter
Symbol
-100
Min
Max
Write Cycle Time
tAVAV
tWC
100
Write Enable Setup Time
tWLEL
tWS
0
Chip Select Pulse Width
tELEH
tCP
45
Address Setup Time
tAVEL
tAS
0
Data Setup Time
tDVEH
tDS
45
Data Hold Time
tEHDX
tDH
15
Address Hold Time (1)
tELAX
tAH
45
Chip Select Pulse Width High
tEHEL
tCPH
20
Duration of Byte Programming Operation (2)
tWHWH1
300
Sector Erase Time (3)
tWHWH2
15
Read Recovery Time
tGHEL
0
Chip Programming Time
44
Chip Erase Time (4)
256
Output Enable Hold Time (5)
tOEH
10
NOTES:
1. A21 must be held constant until WE or CS go high, whichever occurs first.
2. Typical value for tWHWH1 is 7µs.
3. Typical value for tWHWH2 is 1sec.
4. Typical value for Chip Erase Time is 32sec.
5. For Toggle and Data Polling.
-120
Min
Max
120
0
50
0
50
15
50
20
300
15
0
44
256
10
-150
Min
Max
150
0
50
0
50
15
50
20
300
15
0
44
256
10
Unit
ns
ns
ns
ns
ns
ns
ns
ns
µs
sec
µs
sec
sec
ns
FIG. 4 AC TEST CIRCUIT
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 = 75W.
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.
FIG. 5 RESET TIMING DIAGRAM
RESET
tRP
tReady
7
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
Share Link: 