STW81100AT-1 STMicroelectronics, STW81100AT-1 Datasheet - Page 3

• Manufacturer Part Number: STW81100AT-1
• Description: IC SYNTHESIZER MULTI RF 28VFQFPN
• Manufacturer: STMicroelectronics
• Type: Frequency Synthesizerr

Specifications of STW81100AT-1

• Pll: Yes
• Input: Clock, Crystal
• Output: Clock, Crystal
• Number Of Circuits: 1
• Ratio - Input:output: 3:2
• Differential - Input:output: No/No
• Frequency - Max: 4.4GHz
• Divider/multiplier: Yes/No
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-VFQFN, 28-VFQFPN
• Frequency-max: 4.4GHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 2. Block Diagram
Figure 3. Pin Connections
VDD_BUFVCO
VDD_OUTBUF
EXTVCO_INP
EXTVCO_INN
VDD_VCO1
VDD_VCO2
VDD_DIV4
VDD_DIV2
VDD_ESD
3
6
2
20
19
18
1
7
8
EXT
VCO BUF
DIV4
DIV4
BUF
VDD_VCO1
VDD_VCO1
VDD_OUTBUF
VDD_OUTBUF
VDD_DIV2
VDD_DIV2
VDD_VCO2
VDD_VCO2
OUTBUFP
OUTBUFP
OUTBUFN
OUTBUFN
VDD_DIV4
VDD_DIV4
OUTBUFP
4
VCTRL
VCO
BUF
BUFF
VCO
9
OUTBUFN
5
DIV2
DIV2
BUF
BUF
QFN 28
QFN 28
REF_IN
BUF
16
Calibrator
Divider
Divider
VCO
REF
VDD_PLL
VCO
17
TEST1
13
VDD_BUFVCO
VDD_BUFVCO
EXTVCO_INP
EXTVCO_INP
EXTVCO_INN
EXTVCO_INN
ATPGON
ATPGON
VDD_PLL
VDD_PLL
REF_IN
REF_IN
TEST2
TEST2
TEST2
15
P
D
F
I²C BUS
EXT_PD
23
UP
DN
11
REXT
C
P
12
10
14
21
25
24
26
27
28
22
VDD_CP
ICP
LOCK_DET
ATPGON
SCL
SDA
ADD0
ADD1
ADD2
VDD_I2C
STW81100
3/29