FDC37C669-MT SMSC, FDC37C669-MT Datasheet - Page 157

• 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

compatibility problems in Compatible Mode (the
control signals, by
as open-collector), the drivers are dynamically
changed from open-collector to totem-pole. The
timing for the dynamic driver change is specified
nS T ROBE
PDATA
BUSY
1. The da ta i s h eld un ti l BUSY go es inactive or for ti me t3, whi ch ever is long er. Th is o nly
t1
t2
t3
t4
t5
t6
ap plie s i f ano th er data tra nsfer is pending. If no other data transfer is p end ing, th e data
is h eld i ndefin itely.
DATA Vali d to nSTROBE Active
nSTROBE Active Pulse Width
DATA Hold from nSTROBE Inactive
n STROBE Active to BUSY Active
BUSY In active to nSTROBE Active
BUSY In active to PDATE Invalid
tradition,
FIGURE 19 - PARALLEL PORT FIFO TIMING
Parameter
are
t 1
specified
157
t 4
in the IEEE 1284 Extended Capabilities
Protocol and ISA Interface Standard, Rev. 1.09,
Jan. 7, 1993, available from Microsoft.
dynamic driver change must be implemented
properly to prevent glitching the outputs.
t 2
min
6 00
6 00
4 50
6 80
80
max
5 00
t 3
t 6
units
ns
ns
ns
ns
ns
ns
t 5
Notes
1
1
Port
The