74HCT4046ADB,112 NXP Semiconductors, 74HCT4046ADB,112 Datasheet - Page 29

• Manufacturer Part Number: 74HCT4046ADB,112
• Description: IC PLL W/VCO 16-SSOP
• Manufacturer: NXP Semiconductors
• Type: Phase Lock Loop (PLL)r
• Series: 74HCTr

Specifications of 74HCT4046ADB,112

• Number Of Circuits: 1
• Package / Case: 16-SSOP
• Pll: Yes
• Input: Clock
• Output: Clock
• Ratio - Input:output: 2:3
• Differential - Input:output: No/No
• Frequency - Max: 19MHz
• Divider/multiplier: No/No
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Frequency-max: 19MHz
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Input Level: CMOS
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 4.5 V to 5.5 V
• Output Level: CMOS
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-2853-5; 935174940112

Philips Semiconductors
1997 Nov 25
Phase-locked-loop with VCO
To obtain optimum VCO performance, C1 must be as small as possible but larger than 100 pF.
Interpolation for various values of R2 can be easily calculated because a constant R2C1 product will produce almost the same VCO output frequency.
Fig.30 Typical value of frequency offset as a function of C1: R1 = ; V
29
VCOIN
= 1/2 V
CC
; INH = GND; T
74HC/HCT4046A
Product specification
amb
= 25 C.