W83877ATG Nuvoton Technology Corporation of America, W83877ATG Datasheet - Page 179

• Manufacturer Part Number: W83877ATG
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83877ATG

• Lead Free Status / RoHS Status: Supplier Unconfirmed

12.3.5 EPP Data or Address Write Cycle Timing Parameters
12.3.6 Parallel Port FIFO Timing Parameters
Ax Valid to IOW Asserted
SD Valid to Asserted
Command Asserted to WAIT Deasserted
IOCHRDY Deasserted to IOW Deasserted
PBDIR Low to WRITE Asserted
PD Invalid to Command Asserted
Command Asserted to WAIT Deasserted
Time out
Command Deasserted to WAIT Asserted
invalid
DATA Valid to nSTROBE Active
nSTROBE Active Pulse Width
DATA Hold from nSTROBE Inactive
BUSY Inactive to PD Inactive
BUSY Inactive to nSTROBE Active
nSTROBE Active to BUSY Active
IOW Deasserted to Ax Invalid
IOW Deasserted to IOW or IOR Asserted
IOW Asserted to WAIT Asserted
IOW Asserted to PD Valid
IOW to Command Asserted
IOW Deasserted to WRITE Deasserted and PD
WAIT Deasserted to IOCHRDY Deasserted
WAIT Asserted to Command Asserted
WAIT Asserted to WRITE Asserted
WAIT Asserted to WRITE Change
WAIT Asserted to PD Invalid
WAIT Asserted to Command Asserted
WAIT Deasserted to Command Deasserted
PARAMETER
PARAMETER
- 172 -
SYMBOL
W83877ATF/W83877ATG
t1
t2
t3
t4
t5
t6
SYM.
t10
t11
t12
t13
t14
t15
t16
t17
t18
t19
t20
t21
t22
t1
t2
t3
t4
t5
t6
t7
t8
t9
MIN.
600
600
450
680
MIN.
80
10
10
40
10
10
40
60
60
60
60
60
10
0
0
0
0
0
0
5
0
0
0
MAX.
MAX.
500
160
185
185
210
190
24
70
50
35
10
12
UNIT
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
μ S
μ S
nS
nS