LMX2335L National Semiconductor Corporation, LMX2335L Datasheet - Page 16

• Manufacturer Part Number: LMX2335L
• Description: Pllatinum? Low Power Dual Frequency Synthesizer For Rf Personal Communications
• Manufacturer: National Semiconductor Corporation

www.national.com
Functional Description
SERIAL DATA INPUT TIMING
Parenthesis data indicates programmable reference divider data.
Data shifted into register on clock rising edge.
Data is shifted in MSB first.
t
t
t
t
t
t
Test Conditions: The Serial Data Input Timing is tested using a symmetrical waveform around V
amplitudes of 2.2V
PHASE COMPARATOR AND INTERNAL CHARGE PUMP CHARACTERISTICS
Notes: Phase difference detection range: −2π to +2π
CS
CH
CWH
CWL
ES
EW
= Clock to Load Enable Set Up Time
= Data to Clock Set Up Time
= Data to Clock Hold Time
= Load Enable Pulse Width
= Clock Pulse Width Low
= Clock Pulse Width High
The minimum width pump up and pump down current pulses occur at the D
@
V
CC
= 2.7V and 2.6V
@
V
CC
= 5.5V.
(Continued)
16
o
pin when the loop is locked.
CC
/2. The test waveform has an edge rate of 0.6V/ns with
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