pc87317vul National Semiconductor Corporation, pc87317vul Datasheet - Page 239

• Manufacturer Part Number: pc87317vul
• Description: Pc87317vul/pc97317vul Superi/o Plug And Play Compatible With Acpi Compliant Controller/extender
• Manufacturer: National Semiconductor Corporation

14.2.13 Group 13
Pin List:
Group 13 pins are back-drive protected.
14.2.14 Group 14
Pin List:
Group 14 pins are back-drive protected.
AFD, ASTRB, INIT, SLIN, STB.
PD7-0
Symbol
Symbol
V
V
V
V
1. Output from STB, AFD, INIT, SLIN is open-drain in all SPP modes, except in SPP
1. Output from PD7-0 is open-drain in all SPP modes, except in SPP Compatible mode
OH
OH
OL
OL
Compatible mode when the setup mode is ECP-based (FIFO). (See TABLE 6-1 "Par-
allel Port Mode Selection" on page 138.) Otherwise, output from these signals is Level
2. External 4.7 K pull-up resistors should be used.
when the setup mode is ECP-based (FIFO) and bit 4 of the Control2 parallel port reg-
ister is 1. (See TABLE 6-1 "Parallel Port Mode Selection" on page 138.) Otherwise,
output from these signals is Level 2. External 4.7 K pull-up resistors should be used.
Output High Voltage
Output Low Voltage
Output High Voltage
Output Low Voltage
Symbol
Symbol
TABLE 14-23. DC Characteristics of Group 13 Output Pins
TABLE 14-25. DC Characteristics of Group 14 Output Pins
TABLE 14-22. DC Characteristics of Group 13 Input Pins
TABLE 14-24. DC Characteristics of Group 14 Input Pins
V
V
V
V
1. Not tested. Guaranteed by design.
V
V
1. Not tested. Guaranteed by design.
IH
IH
IL
H
IL
H
Parameter
Parameter
Input High Voltage
Input Low Voltage
Hysteresis
Input High Voltage
Input Low Voltage
Hysteresis
1
1
Parameter
Parameter
Device Specifications
239
I
I
OH
OH
I
Conditions
Conditions
I
OL
OL
= 14 mA
= 14 mA
= 14 mA
= 14mA
Min
Min
0.5
250
0.5
250
2.0
2.0
1
1
V
V
Max
Max
DD
0.8
DD
0.8
1
1
Min
Min
2.4
2.4
Unit
Unit
mV
mV
V
V
V
V
Max
Max
0.4
0.4
Unit
Unit
V
V
V
V
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