MB15A01 Fujitsu Microelectronics, MB15A01 Datasheet - Page 3

• Manufacturer Part Number: MB15A01
• Description: Bi-cmos 1.1 GHZ PLL Frequency Synthesizer
• Manufacturer: Fujitsu Microelectronics

MB15A01
SSOP-16
PIN DESCRIPTION
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
Pin No.
SSOP-20
2, 9, 12,
16, 19
10
11
13
14
15
17
18
20
1
3
4
5
6
7
8
Pin name
OSC
OSC
Clock
GND
Data
N.C.
fout
V
FC
øR
D
LD
LE
øP
V
fin
CC
P
O
OUT
IN
I/O
—
—
—
—
O
O
O
O
O
O
I
I
I
I
I
I
Crystal oscillator connection pin serving as a reference divider input
pin (Oscillator circuit input pin)
Crystal oscillator connection pin (Oscillator circuit output pin)
Power supply pin for charge pump output
Connect this pin to V
Power supply pin
Internal charge pump output pin
GND pin
Lock detector output pin
When locked: LD = “H”, When unlocked: LD = “L”
Prescaler input pin
The pin must be AC-coupled for input.
Clock input pin for 19-bit and 16-bit shift registers
The shift resistors reads data at the rise of the clock pulse.
Binary-coded serial data input pin
The last bit in the data is a control bit.
Control bit = “H”: Sends data to the 15-bit latch.
Load enable signal input pin (with pull-up resistor)
When LE = “H”, the pin sends the contents of the shift register to the
latch according to the control bit.
Phase comparator phase switching pin (with pull-up resistor)
When FC = “L”, the pin inverts characteristics of the phase
comparator.
It also switches the fout pin (test pin) output between fr and fp.
No connection.
Phase comparator input monitor pin
The pin outputs the reference divider output (fr) or programmable
divider output (fp) signal depending on the FC pin input level. It is an
N channel open-drain output.
Phase comparator output pin for external charge pump
This pin is an N channel open-drain output.
Phase comparator output pin for external charge pump
This pin is a CMOS output.
“L”: Sends data to the 18-bit latch.
CC
when the internal charge pump is not used.
Function
3