BU2394KN-E2 Rohm Semiconductor, BU2394KN-E2 Datasheet - Page 13

• Manufacturer Part Number: BU2394KN-E2
• Description: IC, CLOCK GENERATOR, 3CH, VQFN20
• Manufacturer: Rohm Semiconductor

Specifications of BU2394KN-E2

• Clock External Input: Yes
• Supply Voltage Range: 3V To 3.6V
• Digital Ic Case Style: VQFN
• No. Of Pins: 20
• Operating Temperature Range: -5°C To +70°C
• Svhc: No SVHC (18-Jun-2010)
• Base: RoHS Compliant
• Package / Case: VQFN
• Base Number: 2394
• Rohs Compliant: Yes
• Operating Frequency Max: 28.636MHz

●BU2394KN Application Circuit / Description of Terminal
Note:
Description of Terminal
0.1uF
PIN No.
• Mount ICs to the printed circuit board for use. (If the ICs are not mounted to the printed circuit board, the characteristics of ICs may not
• Mount 0.1µF capacitors in the vicinity of the IC PINs between 1&2 PIN and 3PIN, 13PIN and 14&15PIN, and 17PIN and 18PIN.
• Although ROHM is confident that the example application circuit reflects the best possible recommendations, be sure to verify circuit
• Jitters TYP values vary with the substrate, power supply, output loads, noises, and other. For the use, the operating margin should be
be fully demonstrated.)
characteristics for your particular application.
thoroughly checked.
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
R
1 ： AVDD
2 ： AVDD
3 ： AVSS
5 ： XOUT
4 ： XIN
PIN NAME
XTAL_SEL
CLK1OUT
CLK2OUT
REF_CLK
CLK2ON
TEST1
TEST2
AVDD
AVDD
XOUT
AVSS
VDD1
VDD1
VDD2
VSS1
VSS2
FS3
FS2
FS1
XIN
Fig.75
BU2394KN
VQFN-20
0.1uF
Function
Analog power source
Analog power source
Analog GND
Crystal IN
Crystal OUT
TEST pin, normally open, equipped with pull-down
Crystal oscillator selection, H: 28.636 MHz, L: 14.318 MHz, equipped with pull-up
CLK1,2 output selection, equipped with pull-up
CLK1,2 output selection, equipped with pull-up
REFCLK output selection, equipped with pull-up
110M/98M/108M/135M output
CLK2 output control, H: Enable, L: Disable, equipped with pull-up
CLK1/CLK2 & Internal digital GND
CLK1/2 & Internal digital power supply
CLK1/2 & Internal digital power supply
48M output
REFCLK GND
REFCLK power supply
14.3M/17.7M output
TEST pin, normally open, equipped with pull-down
11 ：CLK1OUT
12 ：CLK2ON
15 ： VDD1
14 ： VDD1
13 ： VSS1
for Video
14.318182MHz
17.734450MHz
for USB
48.008022MHz
for CCD
135.000000MHz
110.000000MHz
108.000000MHz
98.181818MHz
0.1uF
13/16
XTAL_SEL
CLK2ON
FS1
FS2
FS3
XOUT
XIN
12
10
7
9
8
4
5
XTAL
OSC
1 ／ 2
PLL1
DATA
PLL2
PLL3
Fig.76
135.000000MHz
108.000000MHz
110.000000MHz
98.181818MHz
1 ／ 4
1 ／ 10
14.318182MHz
48.008022MHz
17.734450MHz
11
16
19
CLK1
CLK2
REF_CLK