FDC37C669-MT SMSC, FDC37C669-MT Datasheet - Page 148

• Manufacturer Part Number: FDC37C669-MT
• Description: IC CTRLR SUPER I/O FLPPY 100TQFP
• Manufacturer: SMSC

Specifications of FDC37C669-MT

• Controller Type: I/O Controller
• Interface: ISA Host
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 25mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1008

MIRTX
nMIRTX
DATA
IRTX
nIRTX
N otes:
1. IRTX: CRC Bit 1: 1 = XMIT active low
t1
t2
t3
t4
t5
t6
nIRTX: CRC Bit 1: 0 = XMIT active hig h
MIRTX, nMIR TX are the modu lated ou tp uts
FIGURE 12 - AMPLITUDE SHIFT KEYED IR TRANSMIT TIMING
Mod ulated Output Bit Time
Off Bit Time
Modul ated Output " On"
Modul ated Outp ut "Off"
Modul ated Output " On"
Modul ated Outp ut "Off"
0
t1
t3
t5
t4
t6
1
t2
Parameter
0
1
0
148
0
min
0 .8
0 .8
0 .8
0 .8
1
typ
1
1
1
1
1
max
1 .2
1 .2
1 .2
1 .2
0
units
1
µs
µs
µs
µs
µs
µs
1