GS9075A 查看數據表（PDF） - Gennum -> Semtech
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GS9075A Datasheet PDF : 29 Pages
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GS1575A / GS9075A Data Sheet
Table 1-1: Pin Descriptions (Continued)
Pin Number Name
Type
36
38, 40
DDO_MUTE
SCO, SCO
Logic Input
Output
39, 45, 54 - 59
41
NC
VCC_SCO
No Connect
Power
42
VEE_SCO
Power
43
44, 46
47
GND_DRV
DDO, DDO
VCC_DDO
Passive
Output
Power
48
VEE_DDO
Power
50, 51
52, 53
60
XTAL_OUT+,
XTAL_OUT-
XTAL+, XTAL-
VEE_CP
Output
Input
Power
61
VCC_CP
Power
62, 63
–
LF+, LF-
Center Pad
Passive
–
Description
Mutes the DDO/DDO outputs. This option is not available in bypass mode.
Serial clock output.
When SCO_ENABLE is set HIGH, a serial digital differential clock will be
presented to the application layer at the selected data rate.
Not connected internally.
Most positive power supply connection for the SCO/SCO output driver.
Connect to 3.3V.
Most negative power supply connection for the SCO/SCO output driver.
Connect to GND.
Recommended connect to GND.
Differential Serial Digital Outputs.
Most positive power supply connection for the DDO/DDO output driver.
Connect to 3.3V.
Most negative power supply connection for the DDO/DDO output driver.
Connect to GND.
Differential outputs of the reference oscillator used for monitoring or test
purposes.
Reference crystal input. Connect to the GO1535 as shown in the Typical
Application Circuits on page 24.
Most negative power supply connection for the internal charge pump.
Connect to GND.
Most positive power supply connection for the internal charge pump.
Connect to 3.3V.
Loop filter capacitor connection. Connect as shown in the Typical Application
Circuits on page 24.
Ground pad on bottom of package.
Solder to main ground plane following recommendations under Recommended
PCB Footprint on page 27.
34716 - 0 December 2005
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