Device Pinout By Part Number - Silicon Laboratories I2C Manual

Si5338

8. Device Pinout by Part Number

The Si5338 is orderable in three different speed grades: Si5338A/D/G/K/N have a maximum output clock
frequency limit of 710 MHz. Si5338B/E/H/L/P have a maximum output clock frequency of 350 MHz. Si5338C/F/J/
M/Q have a maximum output clock frequency of 200 MHz.
Devices are also orderable according to the pin control functions available on Pins 3 and 4:
 CLKIN—single-ended clock input
 I2C_LSB—determines the LSB bit of the 7-bit I
 FINC—frequency increment pin
 FDEC—frequency decrement pin
 PINC—phase increment pin
 PDEC—phase decrement pin
 FDBK—single-ended feedback input
 OEB—output enable
Pin # Si5338A: 710 MHz
Si5338B: 350 MHz
Si5338C: 200 MHz
1
1 CLKIN
1
2 CLKINB
2
3 CLKIN
4 I2C_LSB
4
5 FDBK
4
6 FDBKB
7 VDD
8 INTR
9 CLK3B
10 CLK3A
11 VDDO3
12 SCL
13 CLK2B
14 CLK2A
15 VDDO2
16 VDDO1
Notes:
1. CLKIN/CLKINB on pins 1 and 2 are differential clock inputs or XTAL inputs.
2. CLKIN on pin 3 is a single-ended clock input.
3. FDBK on pin 4 is a single-ended feedback input.
4. FDBK/FDBKB on pins 5 and 6 are differential feedback inputs.
36
2
C address
Table 17. Pin Function by Part Number
Si5338D: 710 MHz Si5338G: 710 MHz
Si5338E: 350 MHz Si5338H: 350 MHz
Si5338F: 200 MHz Si5338J: 200 MHz
1
CLKIN
1
CLKINB
PINC
PDEC
4
FDBK
4
FDBKB
VDD
INTR
CLK3B
CLK3A
VDDO3
SCL
CLK2B
CLK2A
VDDO2
VDDO1
Rev. 1.2
Si5338K: 710 MHz
Si5338L: 350 MHz
Si5338M: 200 MHz
1
CLKIN CLKIN
1
CLKINB CLKINB
FINC OEB
FDEC I2C_LSB
4
FDBK FDBK
4
FDBKB FDBKB
VDD VDD
INTR INTR
CLK3B CLK3B
CLK3A CLK3A
VDDO3 VDDO3
SCL SCL
CLK2B CLK2B
CLK2A CLK2A
VDDO2 VDDO2
VDDO1 VDDO1
Si5338N: 710 MHz
Si5338P: 350 MHz
Si5338Q: 200 MHz
1 1
CLKIN
1 1
CLKINB
2
CLKIN
3
FDBK
4 4
FDBK
4 4
FDBKB
VDD
INTR
CLK3B
CLK3A
VDDO3
SCL
CLK2B
CLK2A
VDDO2
VDDO1