STW81100 STMicroelectronics, STW81100 Datasheet - Page 3

• Manufacturer Part Number: STW81100
• Description: MULTI-BAND RF FREQUENCY SYNTHESIZER
• Manufacturer: STMicroelectronics

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Table 2. Pin Description
Pin No
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
VDD_OUTBUF
VDD_BUFVCO
EXTVCO_INN
EXTVCO_INP
VDD_VCO1
VDD_VCO2
LOCK_DET
VDD_DIV2
VDD_DIV4
OUTBUFP
OUTBUFN
VDD_ESD
VDD_PLL
ATPGON
VDD_I
VDD_CP
EXT_PD
REF_IN
VCTRL
TEST1
TEST2
Name
REXT
ADD0
ADD1
ADD2
SDA
SCL
ICP
2
C
VCO power supply
Divider by 2 power supply
Output buffer power supply
LO buffer positive output
LO buffer negative output
Divider by 4 power supply
VCO power supply
ESD positive rail power supply
VCO control voltage
PLL charge pump output
External resistance connection for PLL charge
pump
Power supply for charge pump
Test input 1
Lock detector
Test input 2
Reference frequency input
PLL digital power supply
External VCO negative input
External VCO positive input
VCO buffer power supply
SCAN mode activated
I
Power down hardware
I
I
I
I
I
2
2
2
2
2
2
CBUS data line
CBUS clock line
CBUS address select pin
CBUS address select pin
CBUS address select pin
C bus power supply
Description
Open collector
Open collector
Used only for testing purpose
CMOS Output
Used only for testing purpose
CMOS Input
CMOS Bidir Schmitt triggered
CMOS Input
CMOS Input
CMOS Input
CMOS Input
Observations
STW81100
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