78P2352
Dual Channel
OC-3/ STM1-E/ E4 LIU
ELECTRICAL SPECIFICATIONS (continued)
SERIAL-PORT TIMING CHARACTERISTICS:
PARAMETER
SDI to SCK setup time
SDI to SCK hold time
SYMBOL
tsu
CONDITION
MIN
4
4
TYP
MAX
UNIT
ns
ns
th
SCK to SDO propagation
delay
SCK Frequency
tprop
10
20
ns
SCK
MHz
CS
tsu
th
SCK
tsu th
tprop
X
1
SA0
SA1
SA2
PA0
PA1
PA2
PA3
X or Z
D4
SDI
Z
D0
D1
D2
D3
D5
D6
D7
Z
SDO
Figure 9: Read Operation
CS
tsu
th
SCK
tsu th
X
0
SA0
SA1
SA2
PA0
PA1
PA2
PA3
D0
D1
D2
D3
D4
D5
D6
D7
X
SDI
Z
SDO
Figure 10: Write Operation
Page: 25 of 42
2006 Teridian Semiconductor Corporation
Rev. 2.4