UPD98402A Datasheet, PDF (19/26 Pages) NEC – LOCAL ATM SONET FRAMER

(4) SAR Interface (Transmitter Side)
Parameters
TCLK cycle time
TCLK high level width
TCLK low level width
TCLK↑→FULL↓ delay time
TDI0-TDI7 setup time (to TCLK↑)
TSOC setup time (to TCLK↑)
TENBL setup time (to TCLK↑)
TDI0-TDI7 hold time (to TCLK↑)
TSOC hold time (to TCLK↑)
TENBL hold time (to TCLK↑)
Symbol
Conditions
tCYST
tSTH
tSTL
tFD
load capacitor = 15 pF
tSTDK1
tSTDK2
tSTDK3
tHKTD1
tHKTD2
tHKTD2
SAR Interface (Transmitter Side)
TCLK
FULL
TENBL
TSOC
TDI0-TDI7
tCYST
tSTH
tSTL
tFD
tSTDK2
tHKTD3
tHKTD2
P48
H1
Invalid
µPD98402A
MIN. TYP. MAX. Unit
30
125
ns
12
110
ns
12
110
ns
5
17
ns
5
—
ns
12
—
ns
5
—
ns
3
—
ns
3
—
ns
3
—
ns
tSTDK3
tSTDK1 ^tHKTD1
H2
H3
19