LMX2331LSLBX National Semiconductor, LMX2331LSLBX Datasheet - Page 18

• Manufacturer Part Number: LMX2331LSLBX
• Description: PLL Frequency Synthesizer Dual 45MHz to 2000MHz 24-Pin LAM CSP T/R
• Manufacturer: National Semiconductor
• Type: PLL Frequency Synthesizerr

Specifications of LMX2331LSLBX

• Package: 24LAM CSP
• Number Of Elements Per Chip: 2
• Operating Temperature: -40 to 85 °C
• Operating Supply Voltage: 3 V

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SERIAL DATA INPUT TIMING
Note 1: Parenthesis data indicates programmable reference divider data.
Note 2: t
Test Conditions: The Serial Data Input Timing is tested using a symmetrical waveform around V
amplitudes of 2.2V @ V
PHASE COMPARATOR AND INTERNAL CHARGE PUMP CHARACTERISTICS
Notes: Phase difference detection range: −2
cs
Data shifted into register on clock rising edge.
Data is shifted in MSB first.
t
t
t
t
t
The minimum width pump up and pump down current pulses occur at the D
R16 = HIGH
CH
CWH
CWL
ES
EW
= Data to Clock Set-Up Time
= Clock to Load Enable Set-Up Time
= Data to Clock Hold Time
= Load Enable Pulse Width
= Clock Pulse Width Low
= Clock Pulse Width High
CC
= 2.7V and 2.6V @ V
π
12806 Version 9 Revision 2
to +2
CC
= 5.5V.
π
Print Date/Time: 2011/07/11 15:54:42
18
o
pin when the loop is locked.
CC
/2. The test waveform has an edge rate of 0.6 V/ns with
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