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74VHCT139AMTR датащи(PDF) 1 Page - STMicroelectronics |
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74VHCT139AMTR датащи(HTML) 1 Page - STMicroelectronics |
1 / 8 page 74VHCT139A DUAL 2 TO 4 DECODER/DEMULTIPLEXER PRELIMINARY DATA March 2000 s HIGH SPEED: tPD = 7.2 ns (TYP.) at VCC =5V s LOW POWER DISSIPATION: ICC =4 µA (MAX.) at TA =25 oC s COMPATIBLE WITH TTL OUTPUTS: VIH =2V (MIN), VIL = 0.8V (MAX) s POWER DOWN PROTECTION ON INPUTS & OUTPUTS s SYMMETRICAL OUTPUT IMPEDANCE: |IOH|=IOL = 8 mA (MIN) s BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL s OPERATING VOLTAGE RANGE: VCC (OPR) = 4.5V to 5.5V s PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 139 s IMPROVED LATCH-UP IMMUNITY DESCRIPTION The 74VHCT139A is an advanced high-speed CMOS DUAL 2 TO 4 LINE DECODER/ DEMULTIPLEXER fabricated with sub-micron silicon gate and double-layer metal wiring C 2MOS technology. The active low enable input can be used for gating or as a data input for demultiplexing applications. While the enable input is held high, all four outputs are high independently of the other inputs. Power down protection is provided on all inputs and outputs and 0 to 7V can be accepted on inputs with no regard to the supply voltage. This device can be used to interface 5V to 3V. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. PIN CONNECTION AND IEC LOGIC SYMBOLS ® SOP TSSOP ORDER CODES PACKAGE T UBE T & R SOP 74VHCT139AM 74VHCT139AMTR TSSOP 74VHCT139ATTR 1/8 |
Аналогичный номер детали - 74VHCT139AMTR |
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Аналогичное описание - 74VHCT139AMTR |
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