FDC37C669-MT SMSC, FDC37C669-MT Datasheet - Page 155

• 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

nADD RS TB
1 . nWRITE is controll ed by setti ng the PDIR bit to "1 " i n th e control register before
nDATAS TB
IOCHRDY
S D<7:0>
P D<7:0>
nWRITE
nWAIT
t10
t11
t12
t13
t15
t19
t20
t21
t22
t23
performing an EPP R ead .
t 2
t 3
t 4
t 5
t 8
nIOR
AX
nIOR Deas sert ed to Command Deass erted
nWAIT Asserted to IOC HRDY D eass erted
Com mand Deasserted to PDATA Hi-Z
Command Asserted to PDATA Valid
nIO R As serted to IOCHRDY Asserted
nWA IT Deasserted to nIOCHRDY Deasserted
nIOC HRDY D easserted to nIO R D eass erted
nI OR Deas serted to SDATA Hi gh-Z (Hold Time)
PData V alid to SDATA Valid
Time Out
Ax V alid to nI OR Asserted
nIO R Deassert ed to Ax Invalid
Command Deasserted to nWAIT Deasserted
nIOR Deass erted to nI OW or nI OR Asserted
nI OR Asserted t o C ommand Asserted
FIGURE 18 - EPP 1.7 DATA OR ADDRESS READ CYCLE
t19
t23
Parameter
t8
t3
t5
t15
155
t13
min
10
40
10
40
0
0
0
0
0
0
t10
t11
max
t2
50
40
24
50
40
40
12
55
t20
t12
t4
unit s
t22
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
ns
ns
ns
ns
t21
Notes