2-to-1

Nov 19, 2003 5 Replies

Хаюшки. Народ, подскажите простое дешевое решение скомутировать две частоты (~20Мгц) на один выход минимумом корпусов. Мультиплексоры, что я нашел любят меститься в толстых, как минимум



16-ноговых, корпусах. А если пользовать появившиееся недавно 1-гейтовые драйверы типа
74hc1g125\74hc1g126 тоже растет колличество корпусов (2+инвертор). Есть ли в природе, как говориться в рекламе, два-в-одном корпусе?

Hello, Vadim Babko !

74hc00 ÄÏÓÔÁÔÏÞÎÏ ÍÅÌËÉÊ?

ó Õ×ÁÖÅÎÉÅÍ, äÉÍÁ ïÒÌÏ×.

Hello Vadim!

Wednesday November 19 2003 16:42, you wrote to All:

VB> HÁÒÏÄ, ÐÏÄÓËÁÖÉÔÅ ÐÒÏÓÔÏÅ ÄÅÛÅ×ÏÅ ÒÅÛÅÎÉÅ ÓËÏÍÕÔÉÒÏ×ÁÔØ Ä×Å VB> ÞÁÓÔÏÔÙ (~20íÇÃ) ÎÁ ÏÄÉÎ ×ÙÈÏÄ ÍÉÎÉÍÕÍÏÍ ËÏÒÐÕÓÏ×.

sn74lvc1g3157 SPDT analog switch =============

1.65-V to 5.5-V VCC Operation Useful for Both Analog and Digital Applications Specified Break-Before-Make Switching Rail-to-Rail Signal Handling High Degree of Linearity High Speed, Typically 0.5 ns (VCC = 3 V, CL = 50 pF) Low On-State Resistance, Typically 6 .ý (VCC = 4.5 V) SC-70, SOT-23

sn74lvc1g97 Configurable multiple-function gate =============

1.65-V to 5.5-V VCC Operation Inputs Accept Voltages to 5.5 V Max tpd of 6.3 ns at 3.3 V Low Power Consumption, 10-mA Max ICC +24-mA Output Drive at 3.3 V Ioff Supports Partial-Power-Down Mode Operation LOGIC FUNCTIONS: 2-to-1 data selector 2-input AND gate 2-input OR gate with one inverted input 2-input NAND gate with one inverted input 2-input AND gate with one inverted input 2-input NOR gate with one inverted input 2-input OR gate Inverter Noninverted buffer SC-70, SOT-23

sn74lvc1g98 Configurable multiple-function gate =============

1.65-V to 5.5-V VCC Operation Inputs Accept Voltages to 5.5 V Max tpd of 6.3 ns at 3.3 V Low Power Consumption, 10-mA Max ICC +24-mA Output Drive at 3.3 V Ioff Supports Partial-Power-Down Mode Operation LOGIC FUNCTION: 2-to-1 data selector with inverted output 2-input NAND gate 2-input NOR gate with one inverted input 2-input AND gate with one inverted input 2-input NAND gate with one inverted input 2-input OR gate with one inverted input 2-input NOR gate Noninverted buffer Inverter SC-70, SOT-23

sn74lvc2g157 Single 2-line to 1-line data selector/multiplexer =============

1.65-V to 5.5-V VCC Operation Inputs Accept Voltages to 5.5 V Max tpd of 6 ns at 3.3 V Low Power Consumption, 10-mA Max ICC +24-mA Output Drive at 3.3 V Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25C Typical VOHV (Output VOH Undershoot)
8-SSOP, 8-VSSOP

sn74lvc2g241 Dual buffer/line driver with 3-state outputs =============

1.65-V to 5.5-V VCC Operation Inputs Accept Voltages to 5.5 V Max tpd of 4.1 ns at 3.3 V Low Power Consumption, 10-mA Max ICC +24-mA Output Drive at 3.3 V Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25C Typical VOHV (Output VOH Undershoot)
8-SSOP, 8-VSSOP

VB> -- VB> --Vad--

Best regards, Sergey.

Простое и дешевое, но из пушки по воробьям. То о чем и говорилось - dip14... (в лучшем случае smd но те же 14).

А вот это интересные штучки. Спасибо. Осталось разобраться с ценами и доставаемостью.

ðÒÉ×ÅÔ Vadim!

Thursday November 20 2003 09:37, Vadim Babko wrote to Dima Orlov:

VB> From: Vadim Babko snipped-for-privacy@selmi.sumy.ua>

VB>

VB>

VB> Dima Orlov wrote: VB>

VB> ðÒÏÓÔÏÅ É ÄÅÛÅ×ÏÅ, ÎÏ ÉÚ ÐÕÛËÉ ÐÏ ×ÏÒÏÂØÑÍ. VB> ôÏ Ï ÞÅÍ É ÇÏ×ÏÒÉÌÏÓØ - dip14... (× ÌÕÞÛÅÍ ÓÌÕÞÁÅ smd ÎÏ ÔÅ ÖÅ 14).

ôÏÇÄÁ ÐÁÒÁ ÔÒÁÎÚÉÓÔÏÒÏ×, ÜÍÉÔÔÅÒÎÙÍÉ ÐÏ×ÔÏÒÉÔÅÌÑÍÉ, ÎÏ ÜÍÉÔÔÅÒÎÙÊ ÒÅÚÉÓÔÏÒ - ÏÂÝÉÊ. óÉÇÎÁÌÙ ÐÏÄÁÅÛØ ÎÁ ÂÁÚÙ ÞÅÒÅÚ ÒÅÚÉÓÔÏÒÙ, ÂÁÚÙ ËÏÒÏÔÉÛØ ÎÁ ÚÅÍÌÀ ÞÅÍ-ÎÉÂÕØ Ó ÏÔËÒÙÔÙÍ ËÏÌÅËÔÏÒÏÍ (ÅÝÅ ÔÒÁÎÚÉÓÔÏÒÁÍÉ). åÓÌÉ ÔÙ ÄÕÍÁÅÛØ, ÞÔÏ ÎÁ ÐÌÁÔÅ ÜÔÏ ÚÁÃÍÅÔ ÍÅÎØÛÅ ÍÅÓÔÁ ÞÅÍ 74Hóô00 × SSOP - ÔÙ ÓÉÌØÎÏ ÏÛÉÂÁÅÛÓÑ :) ÷ÏÏÂÝÅ × ÐÒÎÃÉÐÅ ÓÕÝÅÓÔ×ÕÀÔ ËÌÀÞÉ ÔÉÁÐ ëô1/ëô3, ÔÏÌØËÏÌ ÎÅ 4 ËÌÀÞÁ × 14-ÎÏÇÏÍ. Á 1-2 ËÌÀÞÁ × ÍÁÌÅÎØËÏÍ ËÏÒÐÕÓÅ, ÎÏ ËÁË É ÏÄÉÎÏÞÎÙÅ ÌÏÇÉÞÅÓËÉÅ ÜÌÅÍÅÎÔÙ - ÏÎÏ ÏÂÙÞÎÏ ÄÅÆÉÃÉÔÎÏÅ É ÄÏÒÏÇÏÅ.

Alexander Torres, 2:461/28 aka 2:461/640.28 aka 2:5020/6400.28 aka snipped-for-privacy@yahoo.com

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