Features: · Stand a·one ·ock ·ogic· Out-of-sequence detection· Unse·ected/Out-of-sequence output and sequence input· Direct lED and lock relay drive· Externally controlled combination delay· Internal pull down resistors on allinputs· low current consumption & high noise immunity· Single power ...
RS7225: Features: · Stand a·one ·ock ·ogic· Out-of-sequence detection· Unse·ected/Out-of-sequence output and sequence input· Direct lED and lock relay drive· Externally controlled combination delay· Interna...
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The RS 7225 is a monolithic ion implanted PMOS 4 input Keyless Lock IC The circuit has sequential logic for interpretation of correct inputs, a momentary and static lock control output, out-of-sequence detection circuitry and an output for wrong entries.