Datasheet

Oscillator
Technical Data MC68HC912D60A — Rev. 3.1
190 Oscillator Freescale Semiconductor
Maximum ESR vs. EXTAL–XTAL capacitor value, 8MHz resonators
Shunt
Capacitance
(pF)
(VDDPLL=VDD)
3 40 50 60 70 80 90 95 90
5 35 45 50 60 70 75 80 70
7 30 40 45 50 60 65 65
10 25 30 35 40 45 50
Shunt
Capacitance
(pF)
(VDDPLL=0)
3 50 60 70 85 95 105 115 104
5 40 50 60 70 80 90 95 75
7 35 45 55 60 70 75 80 60
10 35 40 45 50 55 60
C
EXTAL-XTAL
(pF)
47pF 39pF 33pF 27pF 22pF 18pF 13pF 10pF
Maximum ESR vs. EXTAL–XTAL capacitor value, 10MHz resonators
Shunt
Capacitance
(pF)
(VDDPLL=0)
3 25 35 40 50 55 65 70 70
5 25 30 35 40 50 55 60
7 20 25 30 35 40 45
10 15 20 25 30 35
C
EXTAL-XTAL
(pF)
47pF 39pF 33pF 27pF 22pF 18pF 13pF 10pF
Maximum ESR vs. EXTAL–XTAL capacitor value, 16MHz resonators
Shunt
Capacitance
(pF)
(1)
(VDDPLL=0)
3
5
7
10
C
EXTAL-XTAL
(pF)
47pF 39pF 33pF 27pF 22pF 18pF 13pF 10pF
= Not allowed
1. Please refer to point 1 in 12.4.3.1 How to Use This Information for important information regarding shunt ca-
pacitance.