BU3056FV ROHM Co. Ltd., BU3056FV Datasheet - Page 3

• Manufacturer Part Number: BU3056FV
• Description: Clock Generator
• Manufacturer: ROHM Co. Ltd.

○Package Outline, Appearance of Marker
○Pin Function
●Cautions on use（BU3056FV）
PIN
No.
1
2
3
4
5
6
7
8
·Capacitors 0.1uF need to be placed between 1PIN(VDD0) and 2PIN(VSS0), 4PIN(AVDD) and 5PIN(AVSS),
·For ICs with more than one power supply, it is possible that rush current may flow instantaneously due to the internal
·It is effective as an EMI countermeasure when the capacitor (less than 1Ω) which puts ferrite beads in the
·BU3056FV must be basically mounted on the board. (If it is not circuit board mounting, it can't sometimes get a
13PIN(VDD) and 12PIN(VSS).
starting point of the power supply supplied to the BU3056FV by a circuit board and which makes the power
supply-GND space have a requested high frequency as to the bypass is inserted.
powering sequence and delays. Therefore, give special consideration to power coupling capacitance, power wiring,
width of ground wiring, and routing of wiring.
character fully.)
PIN Name
XOUT
VDD0
AVDD
AVSS
VSS0
CLK0
TEST
XIN
Power supply for CLK0 output
GND for CLK0 output
CLK0 output terminal
Analog power supply
Analog GND
Crystal input terminal
Crystal output terminal
TEST terminal is normally OPEN
With pull-down resister
3056F
SSOP-B16
Function
Lot No.
PIN
No.
REV. A
10
12
13
14
15
16
11
9
PIN Name
TEST_B
MODE2
MODE1
CLK1
CLK2
VDD
VSS
PDB
MODE control terminal 2
( CMOS Input )
MODE control terminal 1
( CMOS Input )
CLK1 output terminal
Logic GND
Logic power supply
CLK2 output terminal
Power-Down control terminal
With pull-up resister
TEST terminal is normally OPEN
With pull-down resister
Function
3/4