UPD98404 Datasheet, PDF (26/36 Pages) NEC – ADVANCED ATM SONET FRAMER

µPD98404
UTOPIA interface (transmit side)
Parameter
TCLK cycle time
TCLK high level width
TCLK low level width
TCLK↑ → TCLAV↑↓ delay time
TCLK↑ → TCLAV output delay time
TCLK↑ → TCLAV data float delay time
TDI0-7 setup time (to TCLK↑)
TDI0-7 hold time (to TCLK↑)
TSOC setup time (to TCLK↑)
TSOC hold time (to TCLK↑)
TADD0-7 setup time (to TCLK↑)
TADD0-7 hold time (to TCLK↑)
TENBL_B setup time (to TCLK↑)
TENBL_B hold time (to TCLK↑)
Symbol
tCYTK
tWTKH
tWTKL
tDCATK
tVCATK
tICATK
tSDITK
tHDITK
tSSOTK
tHSOTK
tSADTK
tHADTK
tSENTK
tHENTK
Condition
Load capacity = 50 pF
Load capacity = 50 pF
Load capacity = 50 pF
MIN.
25
0.4 × tCYTK
0.4 × tCYTK
1
1
1
4
1
4
1
4
1
4
1
TYP.
MAX.
50
0.6 × tCYTK
0.6 × tCYTK
19
19
25
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
tWTKH
TCLK
tCYTK
tWTKL
TADD0-7
tSADTK
tHADTK
TCLAV
TENBL_B
TSOC
TDI0-7
tDCATK
tDCATK
tICATK
tSSOTK
tHSOTK
tSDITK
tHDITK
tVCATK
tSENTK
tHENTK
26
Data Sheet S11822EJ4V0DS00