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Scans-0053519.pdf
Manufacturer
Not Available
Partial File Text
uivio UM91531 Parallel Input Tone/Pulse Dialer Features â 4-bit parallel data input from microcomputer â TTL compatible inputs and outputs â Uses TV crystal standard (3.58 MHz) to deriv
Type
Scan
ECAD Model
Scans-0053519.pdf preview
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User Tagged Keywords
NPN/transistor C 331
RS-470
speed dial circuit
tone pulse dialer
TRANSISTOR D 471
um9153
um91531