MB15F78SP Datasheet, PDF (2/27 Pages) Fujitsu Component Limited. – Dual Serial Input PLL Frequency Synthesizer

MB15F78SP
(Continued)
• Dual modulus prescaler : 2550 MHz prescaler (32/33 or 64/65 )/1200 MHz prescaler (16/17 or 32/33)
• 23-bit shift register
• Serial input binary 14-bit programmable reference divider : R = 3 to 16,383
• Serial input programmable divider consisting of:
- Binary 7-bit swallow counter : 0 to 127
- Binary 11-bit programmable counter: 3 to 2,047
• Built-in high-speed tuning, low-noise phase comparator, current-switching type constant current circuit
• On–chip phase control for phase comparator
• Built-in digital locking detector circuit to detect PLL locking and unlocking
• Operating temperature : Ta = –40 to +85°C
• Sireal data format compatible with MB15F08SL
s PIN ASSIGNMENTS
(TSSOP-20)
TOP VIEW
OSCIN 1
GND 2
finTX 3
XfinTX 4
GNDTX 5
VCCTX 6
PSTX 7
VpTX 8
DoTX 9
LD/fout 10
20 Clock
19 Data
18 LE
17 finRX
16 XfinRX
15 GNDRX
14 VCCRX
13 PSRX
12 VpRX
11 DoRX
(FPT-20P-M06)
(BCC-20)
TOP VIEW
OSCIN Data
GND Clock
finTX 1 20 19 18 17 16 LE
XfinTX 2
15 ^finRX
GNDTX 3
VCCTX 4
14 ^XfinRX
13 ^GNDRX
PSTX 5
12 ^VCCRX
VpTX 6 ⁷ 8 9 10 11 PSRX
DoTX DoRX
LD/fout VpRX
(LCC-20P-M04)
2