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PC87303 데이터시트(PDF) 97 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
부품명 PC87303
상세설명  PC87303VUL SuperI/OTM Sidewinder Lite Floppy Disk Controller, Keyboard Controller, Real-Time Clock, Dual UARTs, IEEE 1284 Parallel Port, and IDE Inter
PDF  114 Pages
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제조업체  NSC [National Semiconductor (TI)]
홈페이지  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87303 데이터시트(HTML) 97 Page - National Semiconductor (TI)

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100 Electrical Characteristics (Continued)
101 DC ELECTRICAL CHARACTERISTICS
(Continued)
1011 Microprocessor Parallel Port and IDE Interface Pins
Symbol
Parameter
Conditions
Min
Max
Units
VOH
Output High Voltage
IOH eb15 mA on
24
V
D0 – 7 IDED7 IRQ3 – 7 DRQ
ADRATE0
IOH eb6mAon
DTR RTS SOUT MFM
DRATE CSOUT IDEHI
IDELO HCS CS0 CS1
VOL
Output Low Voltage
IOL e 24 mA on
04
V
D0 – 7 IDED7 IRQ3 – 7 IRQ8
DRQ ZWS IOCHRDY
MFM ADRATE0
IOL e 12 mA on
DTR RTS SOUT HCS
IDEHI IDELO
IOL e 6mAon
DRATE CSOUT CS0 CS1
IOZ
Output TRI-STATE Leakage
VIN e VDD
50
m
A
Current (D7 – D0 IRQ3 – 7 DRQ)
VIN e VSS
b
50
m
A
Note 1
Pins IOCHRDY and ZWS are open drain pins
1012 Disk Interface Pins
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VH
Input Hysteresis
250
mV
VOH
Output High Voltage (Note 1)
IOH eb4 mA
24
V
VOL
Output Low Voltage
IOL e 40 mA
04
V
ILKG
Output High Leakage Current
VIN e VDD
10
m
A
(Note 1)
VIN e VSS
b
10
m
A
Note 1
VOH and ILKG for the disk interface pins are valid for CMOS buffered outputs only
1013 Oscillator Pins
(X1OSC)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VIH
X1 Input High Voltage
20
V
VIL
X2 Input Low Voltage
04
V
IXLKG
X1 Leakage
VIN e VDD
400
m
A
VIN e VSS
b
400
m
A
1014 Parallel Port Pins
Symbol
Parameter
Conditions
Min
Typ
Max
Units
IOH
High Level Output Current (Note 1)
VOH e 24V
12
mA
IOL
Low Level Output Current
VOL e 04V
12
mA
Note 1
AFD INIT SLIN and STB are open drain pins when the PC87303 parallel port is operating in one of the following modes Compatible Extended EPP17
ECP mode 0 or ECP mode 2 if PCR1 if 0 47 kX resistors should be used
97



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