PC8477BV-1 National Semiconductor, PC8477BV-1 Datasheet - Page 39

• Manufacturer Part Number: PC8477BV-1
• Description: IC ADVANCED FLOPPY CTRLR 68PLCC
• Manufacturer: National Semiconductor
• Series: SuperFDC™r

Specifications of PC8477BV-1

• Controller Type: Floppy Disk Controller
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 68-LCC (J-Lead)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Supply: -
• Interface: -
• Other names: *PC8477BV-1

MICROPROCESSOR INTERFACE PINS (D7–D0 A2– A0 CS RD WR INT DRQ DACK TC RESET)
DISK INTERFACE PINS
MISCELLANEOUS PINS
6 0 Device Description
DC Characteristics Under Recommended Operating Conditions (Continued)
Note 5 V
Note 6 This parameter is valid for Open Drain output configuration only
6 2 PHASE LOCKED LOOP CHARACTERISTICS
Note Dynamic window margin is tested at both V
at 68%
Symbol
V
V
I
V
V
V
I
V
V
V
Dynamic Window Margin
OZ
LKG
OH
OL
H
OH
OL
OH
OL
OL
OH
Parameter
for the disk interface pins is valid for CMOS buffered outputs only
Output High Voltage
Output Low Voltage
Input TRI-STATE
Leakage Current
(D7–D0 INT DRQ)
Input Hysteresis
Output High Voltage (Note 5)
Output Low Voltage
Output High Leakage Current
(Note 6)
Output High Voltage
(DRATE0–1 MFM)
Output Low Voltage
(DRATE0–1)
Output Low Voltage (MFM)
Parameter
Symbol
(Continued)
T
CC
DW
extremes with a repeating ‘‘DB6’’ pattern and 0% MSV 500 kb s 300 kb s 250 kb s and 1 Mb s are tested
Conditions
I
I
V
V
I
I
V
V
I
I
I
OH
OL
OH
OL
OH
OL
OL
(Note)
Conditions
IN
IN
IN
IN
e
e
e
e
e b
e
e
e b
e
e
e b
39
12 mA
48 mA
6 mA
4 mA
V
0
V
0V
CC
CC
4 mA
4 mA
4 mA
Min
68
Min
3 0
3 0
3 0
Typ
73
Typ
250
Max
Max
b
b
0 4
0 4
0 4
0 4
10
10
10
10
Units
Units
mV
%
V
V
V
V
V
V
V
A
A
A
A