FDC37C935-QS Standard Microsystems (SMSC), FDC37C935-QS Datasheet - Page 22

• Manufacturer Part Number: FDC37C935-QS
• Manufacturer: Standard Microsystems (SMSC)

Specifications of FDC37C935-QS

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Drive Rate Table (Recommended) 00 = 360K, 1.2M, 720K, 1.44M and 2.88M Vertical Format
Note 1:
DRT1
DT1
DRIVE RATE
The DRATE and DENSEL values are mapped onto the DRIVEDEN pins.
0
0
0
0
0
0
0
0
1
1
1
1
0
1
0
1
01 = 3-Mode Drive
10 = 2 Meg Tape
DT0
DRT0
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
DRVDEN1
SEL1
DRATE0
DRATE0
DRATE0
DRATE1
DATA RATE
1
0
0
1
1
0
0
1
1
0
0
1
(1)
Table 12 - DRVDEN Mapping
SEL0
1
0
1
0
1
0
1
0
1
0
1
0
Table 11 - Data Rates
DRVDEN0
nDENSEL
DENSEL
DRATE1
DRATE0
1Meg
1Meg
1Meg
2Meg
MFM
500
300
250
500
500
250
500
250
DATA RATE
(1)
22
250
150
125
250
250
125
250
125
FM
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4/2/1 MB 3.5"
2/1 MB 5.25" FDDS
2/1.6/1 MB 3.5" (3-MODE)
PS/2
DENSEL
DRIVE TYPE
1
1
0
0
1
1
0
0
1
1
0
0
DRATE(1)
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0