FDC37C669-MT SMSC, FDC37C669-MT Datasheet - Page 139

• 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

t1
t2
t3
t4
t5
t6
t7
t8
t9
P E, SLCT, nACK,
P D0-PD7, nERR,
NOTE: P INTR is the interrupt assigned to the Parallel Port
nIOR/nIOW
A0-A9, AEN, nIOCS16 Set Up to
nIOR Low
nIOR Width
A0-A9, AEN, nIOCS16 Hol d from
nIOR H igh
Da ta Access Time from nIOR Low
D ata to Floa t De lay fro m nIOR High
Parall el Port Setup
Re ad Stro be to Clear FINTR
n IOR or nIOW In active for Transfers to
an d fro m ECP FIFO
n IOR Active to PINTR Inacti ve
nIOCS16
(D0-D7)
FINTR is the i n terrupt assigned to the Floppy Disk
PINTR
FINTR
BUSY
DATA
nIOR
AEN,
A X,
FIGURE 3 - MICROPROCESSOR READ TIMING
Pa ram eter
t 1
t 6
TIMING DIAGRAMS
t 4
139
t 9
DATA VALID
t 2
t 8
m in
150
150
40
10
10
20
40
typ
t 7
t 3
t 5
max
100
260
55
60
units
ns
ns
ns
ns
ns
ns
ns
ns
ns