J-7
Version 1.73 Copyright © 1997 Link Communications Inc. 1/18/97
Bill of Materials Cont...
Item Quantity Reference Part Description
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68 1 U22 AD557JN DAC TONE CHIP (LINK)
68a 1 U22 16 PIN DUAL LEAF SOCKET
69 1 U23 74HC138 3-8 SELECTOR (LINK)
69a 1 U23 16 PIN DUAL LEAF SOCKET
70 1 U24 DS1232 DALLAS RESET CHIP
(LINK)
70a 1 U24 8 PIN DUAL LEAF SOCKET
71 1 U25 27C040 512Kx8 EPROM (LINK)
71a 1 U25 32 PIN DUAL LEAF SOCKET
72 1 U9 M-949-01 LINE SENSE, TELETONE
73 1 Y1 3.5795Mhz CRYSTAL HC-49U
74 1 Y2 3.2768Mhz CRYSTAL HC-49U
75 1 Y3 32.768Khz CRYSTAL TUNING FORK
76 1 PC1 PC BOARD 4 LAYER PC BOARD (LINK)