STA011 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'STA011' PDF : 38 Pages View PDF
STA011
Electrical specifications
Table 14.
Symbol
Digital interface to MP (SCL,SDA,TLCK), ENRFOSC and XOSEL interface (continued)
(Tamb = 25°C, VP-VN = 3V)
Parameter
Test conditions/notes Min.
Typ.
Max.
Unit
Output parameter (TLCK)
VOH
Digital output signals
VOL
High
Low
tr
Rise time
C=5pF
tf
Fall time
C=5pF
Differential digital interface (M_CLK1, M_CLK2)
VP-.7
VP
V
VN
VN+.7
V
0.4
0.6
µs/V
0.4
0.6
µs/V
VOH
VOL
VDC,M_CLK
Digital output signals,
V(M_CLK1)-V(M_CLK2)
M_CLK1,2 Common mode
voltage
tr
Rise time
tf
Fall time
Zout
Output impedance
FM_CLK1 M_CLK frequency
FM_CLK2 M_CLK frequency
High
Low
Cl=5pF each pin
C=5pF
balanced
Using a 14.72MHz
quartz
Using a 14.725MHz
quartz
0.3
-0.3
VP-1.65 VP-1.4 VP-1.2
10
12
10
12
500
14.72
V
V
ns
ns
Ω
MHz
14.725
MHz
Table 15. Additional optional interface (REF)
Symbol
Parameter
Test conditions/notes
PREF
External reference input power
It must be AC coupled to
REF, XOSel low
VDC
Rin
REF DC voltage
Input resistance
XOSel low
Min.
-2
VP-1.2
Typ.
0
VP-1.35
70
Max.
VP-1.6
Unit
dBm
V
kΩ
15/38
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