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参数资料
型号： TPS65930A2ZCHR
厂商： TEXAS INSTRUMENTS INC
元件分类： 消费家电
英文描述： SPECIALTY CONSUMER CIRCUIT, PBGA139
封装： 10 X 10 MM, 0.65 MM PITCH, GREEN, PLASTIC, NFBGA-139
文件页数： 108/115页
文件大小： 1232K
代理商： TPS65930A2ZCHR
32KCLKOUT
CK0
CK1
037-035
TPS65930/TPS65920
SWCS037G
– MAY 2008 – REVISED APRIL 2011
www.ti.com
Table 11-9. 32KCLKOUT Output Clock Electrical Characteristics
Name
Parameter Description
Min
Typ
Max
Unit
f
Frequency
32.768
kHz
CL
Load capacitance
40
pF
VOUT
Output clock voltage, depending on output reference level IO_1P8 (see Section 2)
1.8(1)
V
VOH
Voltage output high
VOUT – 0.45
VOUT
V
VOL
Voltage output low
0
0.45
V
(1)
The output voltage depends on the output reference level, which is IO_1P8 (see Section 2, Terminal Description).
Table 11-10 lists the output clock switching characteristics. Figure 11-12 shows the 32KCLKOUT output
clock waveform.
Table 11-10. 32KCLKOUT Output Clock Switching Characteristics
Name
Parameter
Description
Min
Typ
Max
Unit
CK0
1/tC(32KCLKOUT)
Frequency
32.768
MHz
CK1
tW(32KCLKOUT)
Pulse duration, 32KCLKOUT low or high
0.40*tC(32KCLKOUT)
0.60*tC(32KCLKOUT)
ns
CK2
tR(32KCLKOUT)
Rise time, 32KCLKOUT(1)
16
ns
CK3
tF(32KCLKOUT)
Fall time, 32KCLKOUT(1)
16
ns
(1)
The output capacitive load is 30 pF.
Figure 11-12. 32KCLKOUT Output Clock
11.3.2 HFCLKOUT Output Clock
Table 11-11 lists the electrical characteristics of the HFCLKOUT output clock.
Table 11-11. HFCLKOUT Output Clock Electrical Characteristics
Name
Parameter Description
Min
Typ
Max
Unit
f
Frequency
19.2, 26, or 38.4
MHz
CL
Load capacitance
30
pF
VOUT
Output clock voltage, depending on output reference level IO_1P8 (see Section 2)
1.8(1)
V
VOH
Voltage output high
VOUT – 0.45
VOUT
V
VOL
Voltage output low
0
0.45
V
(1)
The output voltage depends on the output reference level, which is IO_1P8 (see Section 2).
Table 11-12 lists the switching characteristics of the HFCLKOUT output clock.
Table 11-12. HFCLKOUT Output Clock Switching Characteristics
Name
Parameter
Description
Min
Typ
Max
Unit
CHO1
1/tC(HFCLKOUT)
Frequency
19.2, 26, or 38.4
MHz
CHO2
tW(HFCLKOUT)
Pulse duration, HFCLKOUT low or high
0.40*tC(HFCLKOUT)
0.60*tC(HFCLKOUT)
ns
CHO3
tR(HFCLKOUT)
Rise time, HFCLKOUT(1)
2.6
ns
CHO4
tF(HFCLKOUT)
Fall time, HFCLKOUT(1)
2.6
ns
(1)
The output capacitive load is 30 pF.
92
Clock Specifications
Copyright
2008–2011, Texas Instruments Incorporated
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