W83977G-A Nuvoton Technology Corporation of America, W83977G-A Datasheet - Page 161

• Manufacturer Part Number: W83977G-A
• Description: IC I/O CONTROLLER 128-PQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83977G-A

• Pin Count: 128
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

14.3.6
14.3.7
14.3.8
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
nAUTOFD Valid to nSTROBE Asserted
PD Valid to nSTROBE Asserted
BUSY Deasserted to nAUTOFD Changed
BUSY Deasserted to PD Changed
nSTROBE Deasserted to BUSY Deasserted
BUSY Deasserted to nSTROBE Asserted
nSTROBE Asserted to BUSY Asserted
BUSY Asserted to nSTROBE Deasserted
PD Valid to nACK Asserted
nAUTOFD Deasserted to PD Changed
nAUTOFD Asserted to nACK Asserted
nAUTOFD Deasserted to nACK Deasserted
nACK Deasserted to nAUTOFD Asserted
PD Changed to nAUTOFD Deasserted
W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
Parallel Port FIFO Timing Parameters
ECP Parallel Port Forward Timing Parameters
ECP Parallel Port Reverse Timing Parameters
PARAMETER
PARAMETER
PARAMETER
-153 -
SYMBOL
SYMBOL
SYMBOL
t1
t2
t3
t4
t5
t6
t1
t2
t3
t4
t5
t6
t7
t8
t1
t2
t3
t4
t5
t6
Publication Release Date: May 2006
MIN.
MIN.
600
600
450
680
MIN.
80
80
80
80
80
0
0
0
0
80
80
0
0
0
0
MAX.
MAX.
MAX.
500
180
180
200
180
200
200
60
60
Revision 0.60
UNIT
UNIT
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS