Texas Instruments 99/4A - Page 22

Figure 2. Clock Circuitry.
R514
47K
C506
15"? F
R600
22
C603
225 F
R601
22
C604
.1-5 F
R602
22
C605
105 F
R603
22
C606
155 F
R604
IK
C607
1 nF
R605
12K
Y600
XTAL 48MHz
R606
150K
U601
74LS362
14