MB86616 Datasheet, PDF (23/63 Pages) Fujitsu Component Limited. – IEEE1394-SCSI Tailgate

MB86616
2. AC CHARACTERISTICS
(1) Clock Input
Parameter
Clock frequency
Clock cycle time
“H” and “L” level clock pulse widths
Clock rise time, clock fall time
CPU block
Clock input to each ^{IEEE 1394 block}
block
SCSI block
Exchange block
CPU block machine clock (Note 1)
IEEE 1394 bus (Note 2)
SCSI bus (Synchronous transfer)
Symbol Pin name
FC
tC
tWCH,
tWCL
tCR, tCF
FCPU
tCPU
F1394
FSCSI
tSCSI
FEXC
tCYC
F1394B
FSCSIB
SCLK









Min.


15







tcpu
98.304
1.229
Values
Typ.
24.576
1/FC


24.576
1/Fcpu
393.216
39.322
1/Fscsi
39.322

196.608

Max.



3






16 tcpu
393.216
19.661
Note1 : The maximum value assumes the minimum speed (1/16) set by the clock gear feature.
Note2 : The values are transfer rates at S100/S200/S400.
Unit
MHz
ns
ns
ns
MHz
ns
MHz
MHz
ns
MHz
ns
MHz
MHz
SCLK
0.65 VDD
0.25 VDD
tWCH
tC
tCF
tCR
tWCL
23