FDC37C665GT-MS SMSC, FDC37C665GT-MS Datasheet - Page 138

• Manufacturer Part Number: FDC37C665GT-MS
• Description: IC CTRLR SUPER I/O MULTI 100-QFP
• Manufacturer: SMSC

Specifications of FDC37C665GT-MS

• Controller Type: I/O Controller
• Interface: ISA Host
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 35mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1007

(AT Mode timing only)
*X specifies one MCLK period and Y specifies one WCLK period.
MCLK = Controller Clock to FDC (See Table 6).
WCLK = 2 x Data Rate (See Table 6).
t1
t2
t3
t4
t5
t6
t7
t8
t9
nDS0-3,
MTR0-3
nWDATA
nRDATA
nDS0-3
nINDEX
nSTEP
nIOW
nDIR
nDIR Set Up to nSTEP Low
nSTEP Active Time Low
nDIR Hold Time After nSTEP
nSTEP Cycle Time
nDS0-3 Hold Time from nSTEP Low
nINDEX Pulse Width
nRDATA Active Time Low
nWDATA Write Data Width Low
nDS0-3, MTR0-3 from End of nIOW
Parameter
t9
FIGURE 9 - DISK DRIVE TIMING
t1
t6
t7
t8
138
t2
min
t4
typ
132
t3
t5
24
96
20
40
25
.5
4
2
max
t9
units
ns
X*
X*
X*
X*
X*
X*
ns
Y*