M68Z512 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
M68Z512 Datasheet PDF : 16 Pages
| |||
M68Z512
Figure 10. Chip Enable Controlled, WRITE Mode AC Waveforms
A0-A18
E
W
DQ0-DQ7
tAVEL
tAVWL
tAVAV
VALID
tAVEH
tELEH
tEHAX
tEHDX
DATA INPUT
tDVEH
AI03038
Note: Output Enable (G) = High.
If E goes High with W High, the output remains in a high-impedance state.
Table 8. WRITE Mode AC Characteristics
M68Z512
Symbol
Parameter(1)
–70
Min
Max
tAVAV
WRITE Cycle Time
70
tAVWL Address Valid to WRITE Enable Low
0
tAVWH Address Valid to WRITE Enable High
60
tAVEH
Address Valid to Chip Enable High
60
tWLWH WRITE Enable Pulse Width
55
tWHAX WRITE Enable High to Address Transition
0
tWHDX WRITE Enable High to Input Transition
0
tWHQX(3) WRITE Enable High to Output Transition
5
tWLQZ(2,3) WRITE Enable Low to Output Hi-Z
25
tAVEL
Address Valid to Chip Enable Low
0
tELEH
Chip Enable Low to Chip Enable High
45
tEHAX Chip Enable High to Address Transition
0
tDVWH Input Valid to WRITE Enable High
25
tDVEH Input Valid to Chip Enable High
25
Note: 1. Valid for Ambient Operating Temperature: TA = 0 to 70°C; VCC = 4.5 to 5.5V (except where noted).
2. CL = 5pF
3. At any given temperature and voltage condition, tWLQZ is less than tWHQX for any given device.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
10/15
Share Link: 