Datasheet

Oscillator
MC68HC912D60P Pierce Oscillator Specification
MC68HC912D60A — Rev. 3.1 Technical Data
Freescale Semiconductor Oscillator 205
Maximum ESR vs. EXTAL–VSS or XTAL–VSS capacitor value, 8MHz resonators
Shunt
Capacitance
(pF)
(VDDPLL=VDD)
3 60 80 100 130 165 200 270 325
5 55 70 85 110 135 165 210 250
7 50 60 75 95 115 135 170 195
10 40 50 60 75 90 105 125 145
Shunt
Capacitance
(pF)
(VDDPLL=0)
3 60 75 95 125 155 190 255 305
5 50 65 80 105 130 155 200 235
7 45 55 70 90 105 125 160 185
10 40 45 55 70 85 95 120 130
C
EXTAL-VSS
(pF)
47pF 39pF 33pF 27pF 22pF 18pF 13pF 10pF
Maximum ESR vs. EXTAL–VSS or XTAL–VSS capacitor value,10MHz resonators
Shunt
Capacitance
(pF)
(VDDPLL=0)
3 35 45 60 80 100 120 165 200
5 30 40 50 65 80 100 125 150
7 25 35 45 55 65 80 100 120
10 20 30 35 40 50 60 70 80
C
EXTAL-VSS
(pF)
47pF 39pF 33pF 27pF 22pF 18pF 13pF 10pF
Maximum ESR vs. EXTAL–VSS or XTAL–VSS capacitor value,16MHz resonators
Shunt
Capacitance
(pF)
(1)
(VDDPLL=0)
3
10 15 20 30 35 50 60
5
10 15 20 25 30 45
7
10 15 20 30 35
10
20
C
EXTAL-VSS
(pF)
47pF 39pF 33pF 27pF 22pF 18pF 13pF 10pF
1. Please refer to point 1 in 12.5.3.1 How to Use This Information for important information regarding shunt ca-
pacitance.