BU2365FV ROHM Co. Ltd., BU2365FV Datasheet - Page 11

• Manufacturer Part Number: BU2365FV
• Description: Clock Generator With Built-in Vcxo
• Manufacturer: ROHM Co. Ltd.

27.0000MHz
16Pin：BUF_IN
8Pin：XTAL_OUT
10Pin：VCTRL
●Block diagram, Pin assignment
●Pin function
Crystal
7Pin：XTAL_IN
(27MHz)
3Pin：FSEL
23Pin：OE
Pin No.
10
12
13
14
15
16
17
18
19
20
21
22
23
24
11
1
2
3
4
5
6
7
8
9
VCXO_OUT
BUF_OUT2
BUF_OUT1
XTAL_OUT
CLK512FS
CLK384FS
CLK768FS
Pin Name
H:PLL ON
L:PLL OFF
VDD54M
VSS54M
XTAL_IN
CLK54M
BUF_IN
VCXO
VDD_V
VDD_B
VCTRL
VSS_V
VSS_B
AVDD
TEST
AVSS
FSEL
VDD
VSS
OE
Fig.77 Block diagram
Power supply for CLK54M output
GND for CLK54M output
FS select (CLK768FS selection)
(FSEL=L: 44.1 kHz, FSEL=OPEN: 48 kHz, equipped with pull-up resistor)
TEST pin, normally “OPEN”, equipped with pull-down resistor)
Power supply for PLL Analog
GND for PLL Analog
Crystal oscillator input pin
Crystal oscillator output pin
Power supply for VCXO
VCXO control input pin
GND for VCXO
Monitor pin for VCXO output
BUFFER output pin
BUFFER output pin
GND for BUFFER
BUFFER input pin
Power supply for BUFFER
24.576 MHz output
18.432MHz output
GND for PLL Logic
Power supply for PLL Logic
FSEL=L: 33.8688 MHz output, FSEL=OPEN: 36.864 MHz output
Output enable pin
L: POWER DOWN, OPEN: NORMAL, equipped with pull-up resistor
54MHz output
PLL1
PLL0
PLL2
H:output enable
L:L out
1/4
1/4
1/4
1/8
1/6
19Pin：CLK384FS output
12Pin：VCXO_OUT output
14Pin：BUF_OUT1 output
13Pin：BUF_OUT2 output
22Pin：CLK768FS output
(FSEL=L：33.8688MHz)
(FSEL=OPEN：36.864MHz)
24Pin：CLK54M output
18Pin：CLK512FS output
(CL=50pF、27MHz)
(CL=50pF、27MHz)
Function
11/16
(54.0000MHz)
(18.432MHz)
(27.0000MHz)
(24.576MHz)
10: VCTRL
11: VSS_V
12: VCXO_OUT
1: VDD54M
2: VSS54M
3: FSEL
4: TEST
5: AVDD
6: AVSS
7: XTAL_IN
8: XTAL_OUT
9: VDD_V
Fig.78 Pin assignment
24: CLK54M
23: OE
22: CLK768FS
21: VDD
20: VSS
19: CLK384FS
18: CLK512FS
17: VDD_B
16: BUF_IN
15: VSS_B
14: BUF_OUT1
13: BUF_OUT2