FDC37B727-NS SMSC, FDC37B727-NS Datasheet - Page 217
FDC37B727-NS
Manufacturer Part Number
FDC37B727-NS
Description
IC CTRLR SUPER I/O ENH 128-QFP
Manufacturer
SMSC
Datasheet
1.FDC37B727-NS.pdf
(238 pages)
Specifications of FDC37B727-NS
Controller Type
I/O Controller
Interface
ISA Host
Voltage - Supply
4.5 V ~ 5.5 V
Current - Supply
30mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
128-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
638-1005
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
FDC37B727-NS
Manufacturer:
Standard
Quantity:
99
Company:
Part Number:
FDC37B727-NS
Manufacturer:
Microchip Technology
Quantity:
10 000
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DISK DRIVE TIMING
*X specifies one MCLK period and Y specifies one WCLK period.
MCLK = 16 x Data Rate (at 500 kb/s MCLK = 8 MHz)
WCLK = 2 x Data Rate (at 500 kb/s WCLK = 1 MHz)
nWDATA
nRDATA
nDS0-1,
nINDEX
MTR0-1
nDS0-3
NAME
nSTEP
nIOW
nDIR
t1
t2
t3
t4
t5
t6
t7
t8
t9
nDIR Set Up to STEP Low
nSTEP Active Time Low
nDIR Hold Time after nSTEP
nSTEP Cycle Time
nDS0-1 Hold Time from nSTEP Low
nINDEX Pulse Width
nRDATA Active Time Low
nWDATA Write Data Width Low
nDS0-1, MTRO-1 from End of nIOW
FIGURE 21 - DISK DRIVE TIMING (AT MODE ONLY)
t9
TABLE 89 - DISK DRIVE TIMING (AT MODE ONLY)
DESCRIPTION
t1
t6
t7
t8
t2
218
t4
MIN
t3
t5
TYP
132
24
96
20
40
25
.5
4
2
MAX
t9
UNITS
X*
X*
X*
X*
X*
X*
ns
Y*
ns
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