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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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74HCT4353N датащи(PDF) 2 Page - NXP Semiconductors |
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74HCT4353N датащи(HTML) 2 Page - NXP Semiconductors |
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2 / 16 page  December 1990 2 Philips Semiconductors Product specification Triple 2-channel analog multiplexer/demultiplexer with latch 74HC/HCT4353 FEATURES • Wide analog input voltage range: ± 5 V • Low “ON” resistance: 80 Ω (typ.) at VCC − VEE = 4.5 V 70 Ω (typ.) at VCC − VEE = 6.0 V 60 Ω (typ.) at VCC − VEE = 9.0 V • Logic level translation: to enable 5 V logic to communicate with ± 5 V analog signals • Typical “break before make” built in • Address latches provided • Output capability: non-standard • ICC category: MSI GENERAL DESCRIPTION The 74HC/HCT4353 are high-speed Si-gate CMOS devices. They are specified in compliance with JEDEC standard no. 7A. The 74HC/HCT4353 are triple 2-channel analog multiplexers/demultiplexers with two common enable inputs (E1 and E2) and a latch enable input (LE). Each multiplexer has two independent inputs/outputs (nY0 and nY1), a common input/output (nZ) and select inputs (S1 to S3). Each multiplexer/demultiplexer contains two bidirectional analog switches, each with one side connected to an independent input/output (nY0 and nY1) and the other side connected to a common input/output (nZ). With E1 LOW and E2 HIGH, one of the two switches is selected (low impedance ON-state) by S1 to S3. The data at the select inputs may be latched by using the active LOW latch enable input (LE). When LE is HIGH, the latch is transparent. When either of the two enable inputs, E1 (active LOW) and E2 (active HIGH), is inactive, all analog switches are turned off. VCC and GND are the supply voltage pins for the digital control inputs (S1 to S3, LE, E1 and E2). The VCC to GND ranges are 2.0 to 10.0 V for HC and 4.5 to 5.5 V for HCT. The analog inputs/outputs (nY0 and nY1, and nZ) can swing between VCC as a positive limit and VEE as a negative limit. VCC − VEE may not exceed 10.0 V. For operation as a digital multiplexer/demultiplexer, VEE is connected to GND (typically ground). QUICK REFERENCE DATA VEE = GND = 0 V; Tamb = 25 °C; tr = tf = 6 ns SYMBOL PARAMETER CONDITIONS TYPICAL UNIT HC HCT tPZH/ tPZL turn “ON” time E1,E2 or Sn to Vos CL = 50 pF; RL =1 kΩ; VCC = 5 V 29 21 ns tPHZ/ tPLZ turn “OFF” time E1,E2 or Sn to Vos 20 22 ns CI input capacitance 3.5 3.5 pF CPD power dissipation capacitance per switch notes 1 and 2 23 23 pF CS max. switch capacitance independent (Y) 5 5 pF common (Z) 8 8 pF Notes 1. CPD is used to determine the dynamic power dissipation (PD in µW): PD = CPD × VCC2 × fi + ∑ {(CL +CS) × VCC2 × fo} where: fi = input frequency in MHz CL = output load capacitance in pF fo = output frequency in MHz CS = max. switch capacitance in pF ∑ {(CL ×CS) × VCC2 × fo} = sum of outputs VCC = supply voltage in V 2. For HC the condition is VI = GND to VCC For HCT the condition is VI = GND to VCC − 1.5 V ORDERING INFORMATION See “74HC/HCT/HCU/HCMOS Logic Package Information”. |
Аналогичный номер детали - 74HCT4353N |
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Аналогичное описание - 74HCT4353N |
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