15-Memory Tone/Pulse dialer With Handfree Lock And Hold Functions(具有15个数码存储器、免提锁住和保持功能的音脉冲拨号 13-MEMORY TONE/PULSE dialer WITH HANDFREE AND HOLD FUNCTION
Synchronous Presettable binary Counter Synchronous Up Counter AC SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP binary COUNTER, PDSO16 Complete, Dual, 12-Bit Multiplying DAC with 8-Bit Bus Interface ACT SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP binary COUNTER, PDSO16 Synchronous Presettable binary Counter ACT SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP binary COUNTER, PDIP16 From old datasheet system Synchronous Presettable binary Counter