ISL5314IN Intersil, ISL5314IN Datasheet - Page 15

• Manufacturer Part Number: ISL5314IN
• Description: IC SYNTHESIZER DIGITAL 48-MQFP
• Manufacturer: Intersil

Specifications of ISL5314IN

• Resolution (bits): 14 b
• Master Fclk: 125MHz
• Tuning Word Width (bits): 48 b
• Voltage - Supply: 3 V ~ 5.5 V, 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Peak Reflow Compatible (260 C): No
• Leaded Process Compatible: No
• Bus Frequency: 48Hz
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Timing Diagrams
FIGURE 7. SERIAL PROGRAMMING, SYNC EARLY MODE (REPRESENTS MINIMUM SCLKS REQUIRED. SCLK CAN FREE RUN.)
FIGURE 8. SERIAL PROGRAMMING, SYNC LATE BURST MODE (REPRESENTS MINIMUM SCLKS REQUIRED; SCLK CAN FREE RUN);
SERIAL FREQ
REGISTER
ANALOG OUT
ANALOG OUT
SERIAL FREQ
CLK (f
CLK (f
SSYNC
SSYNC
REGISTER
RESET
RESET
SDATA
SDATA
SCLK
SCLK
CONTROL REGISTER 12 IS SET TO 0001 00XX.
CONTROL REGISTER 12 IS SET TO 0000 00XX.
CLK
CLK
t
)
)
SSS
t
(Continued)
SDS
15
SERIAL DATA (8 BITS SHOWN; MAX IS 40)
DON’T CARE (ASSUMED CONTINUOUSLY RUNNING)
DON’T CARE (ASSUMED CONTINUOUSLY RUNNING)
t
t
SSH
SSW
SCLK EDGES = SERIAL BITS + 3
t
SDH
SCLK EDGES = SERIAL BITS + 3
OLD FREQ IN THE
t
SCW
SERIAL REGISTER
OLD FREQ IN THE
SERIAL REGISTER
t
SDW
SERIAL DATA (8 BITS SHOWN; MAX IS 40)
ISL5314
t = 12 f
t = 12 f
IN THE SERIAL REGISTER
IN THE SERIAL REGISTER
NEW FREQ LOADED
NEW FREQ LOADED
OLD FREQ
OLD FREQ
DON’T CARE (CAN FREE RUN)
DON’T CARE (CAN FREE RUN)
DON’T CARE
DON’T CARE
CLK
CLK
RISING EDGES
RISING EDGES
NEW FREQ
NEW FREQ
DON’T CARE
DON’T CARE
January 19, 2010
FN4901.3