參數(shù)資料
型號(hào): TPS65930A2ZCH
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA139
封裝: 10 X 10 MM, 0.65 MM PITCH, GREEN, PLASTIC, NFBGA-139
文件頁數(shù): 108/115頁
文件大?。?/td> 1232K
代理商: TPS65930A2ZCH
32KCLKOUT
CK0
CK1
037-035
SWCS037G
– MAY 2008 – REVISED APRIL 2011
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
focus.ti.com: TPS65930/TPS65920
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