S1M8656A Samsung Semiconductor, Inc., S1M8656A Datasheet - Page 12

• Manufacturer Part Number: S1M8656A
• Description: Cdma/amps Dual Mode If/ Baseband Ic
• Manufacturer: Samsung Semiconductor, Inc.

S1M8656A
12
DATA
CLK
STB
STRONG
OUTPUT
OUTPUT
TCXO/N
TCXO/N
WEAK
TCXO
All data transitions happen while CLK=Low
Clock duty cycle: 35 - 65%
Valid data bit (N)
Clock period: 0.6 - 10us
period: 50.8ns
STB line setup time
Rise time:
3 -12ns
TCXO
Figure 3. 3-Line Serial Port Interface Timing
Clcok N
Fall time:
Figure 4. TCXO and TCXO/N Timing
3 -12ns
TCXO high time:
N+1 Data bit set-up
Valid data bit (N+1)
time : > 50ns
25.4ns
time: 101.6ns
TCXO/4 high
Clcok N+1
TCXO low time:
TCXO/4 period: 101.6ns
25.4ns
DATA line hold time:
Valid data bit (N+2)
50 - 200ns
TCXO/4 low time:
101.6ns
Clcok N+2
TCXO/N weak output level:
STB line hold time:
TCXO input level:
>300mVpp
1.5 - 2.7Vpp
RX IF/BBA WITH AGC
50 - 200ns