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LF13509N 数据表(PDF) 1 Page - National Semiconductor (TI) |
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LF13509N 数据表(HTML) 1 Page - National Semiconductor (TI) |
1 / 16 page TLH5668 January 1995 LF13508 8-Channel Analog Multiplexer LF13509 4-Channel Differential Analog Multiplexer General Description The LF13508 is an 8-channel analog multiplexer which con- nects the output to 1 of the 8 analog inputs depending on the state of a 3-bit binary address An enable control allows disconnecting the output thereby providing a package se- lect function This device is fabricated with National’s BI-FET technology which provides ion-implanted JFETs for the analog switch on the same chip as the bipolar decode and switch drive circuitry This technology makes possible low constant ‘‘ON’’ resistance with analog input voltage variations This device does not suffer from latch-up problems or static charge blow-out problems associated with similar CMOS parts The digital inputs are designed to operate from both TTL and CMOS levels while always providing a definite break-before-make action The LF13509 is a 4-channel differential analog multiplexer A 2-bit binary address will connect a pair of independent analog inputs to one of any 4 pairs of independent analog outputs The device has all the features of the LF13508 series and should be used whenever differential analog in- puts are required Features Y JFET switches rather than CMOS Y No static discharge blow-out problem Y No SCR latch-up problems Y Analog signal range 11V b15V Y Constant ‘‘ON’’ resistance for analog signals between b 11V and 11V Y ‘‘ON’’ resistance 380 X typ Y Digital inputs compatible with TTL and CMOS Y Output enable control Y Break-before-make action tOFFe02 ms tONe2 ms typ Y Lower leakage devices available Functional Diagrams and Truth Tables LF13508 EN A2 A1 A0 SWITCH ON H LLL S1 HL L H S2 H LHL S3 HL H H S4 HH L L S5 H HLH S6 HH H L S7 H HHH S8 L X X X NONE LF13509 EN A1 A0 SWITCH PAIR ON L X X None HL L S1 HL H S2 HH L S3 HH H S4 TLH5668 – 1 C1995 National Semiconductor Corporation RRD-B30M115Printed in U S A |
类似零件编号 - LF13509N |
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类似说明 - LF13509N |
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