8224
From Citylan
Clock Generator and Driver
Pinout
DIP16
+---\/---+
RESET | 1 40| Vcc
*RESIN | 2 39| XTAL1
RDYIN | 3 38| XTAL2
READY | 4 37| TANK
SYNC | 5 36| OSC
Ø2(TTL) | 6 35| Ø1
*STSTB | 7 34| Ø2
GND | 8 33| Vdd
+--------+
Frequency
DIP16
Set reader to FREQ, put black probe to GND, red probe to 6,10,11,12 to measure output clocks
External links
Clock generator page on Wikipedia
8224 page on CPU-World
Files
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DP8224 Datasheet