LMX2377UTM National Semiconductor, LMX2377UTM Datasheet - Page 41

• Manufacturer Part Number: LMX2377UTM
• Description: IC FREQ SYNTH DUAL 20TSSOP
• Manufacturer: National Semiconductor
• Series: PLLatinum™r
• Type: PLL Frequency Synthesizerr

Specifications of LMX2377UTM

• Pll: Yes with Bypass
• Input: CMOS, TTL
• Output: CMOS
• Number Of Circuits: 1
• Ratio - Input:output: 3:1
• Differential - Input:output: Yes/No
• Frequency - Max: 2.5GHz, 1.2GHz
• Divider/multiplier: Yes/No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Frequency-max: 2.5GHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *LMX2377UTM

2.0 Programming Description
2.8 F
The F
F
o
LD3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
o
o
LD[3:0]
LD control word is used to select which signal is routed to the F
F
o
LD2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
F
o
LD1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
MULTI-FUNCTION OUTPUT SELECT
F
o
LD0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
LOW Logic State Output
Aux PLL R Divider Output, Push-Pull Output
Main PLL R Divider Output, Push-Pull Output
Open Drain Fastlock Output
Aux PLL Analog Lock Detect, Open Drain Output
Aux PLL N Divider Output, Push-Pull Output
Main PLL N Divider Output, Push-Pull Output
Reset Aux PLL Counters, LOW Logic State Output
Main PLL Analog Lock Detect, Open Drain Output
Aux PLL R Divider Output, Push-Pull Output
Main PLL R Divider Output, Push-Pull Output
Reset Main PLL Counters, LOW Logic State Output
Main and Aux Analog Lock Detect, Open Drain Output
Aux PLL N Divider Output, Push-Pull Output
Main PLL N Divider Output, Push-Pull Output
Reset All Counters, LOW Logic State Output
(Continued)
41
o
LD pin.
F
[Main R[20], Aux R[20], Main R [21], Aux R[21]]
o
LD Output State
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