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74LVX4245MTCX Arkusz danych(PDF) 1 Page - National Semiconductor (TI) |
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74LVX4245MTCX Arkusz danych(HTML) 1 Page - National Semiconductor (TI) |
1 / 8 page TLF11540 October 1995 74LVX4245 8-Bit Dual Supply Translating Transceiver with TRI-STATE Outputs General Description The LVX4245 is a dual-supply 8-bit translating transceiver that is designed to interface between a 5V bus and a 3V bus in a mixed 3V5V supply environment The TransmitRe- ceive (TR) input determines the direction of data flow Transmit (active-HIGH) enables data from A ports to B ports Receive (active-LOW) enables data from B ports to A ports The Output Enable input when HIGH disables both A and B ports by placing them in a HIGH Z condition The A port interfaces with the 5V bus the B port interfaces with the 3V bus The LVX4245 is suitable for mixed voltage applications such as laptop computers using 33V CPU’s and 5V LCD dis- plays Features Y Bidirectional interface between 5V and 3V buses Y Control inputs compatible with TTL level Y 5V data flow at A port and 3V data flow at B port Y Outputs sourcesink 24 mA at 5V bus 12 mA at 3V bus Y Guaranteed simultaneous switching noise level and dy- namic threshold performance Y Available in SOIC QSOP and TSSOP packages Y Implements patented Quiet Series EMI reduction circuitry Y Functionally compatible with the 74 series 245 Logic Symbol TLF11540 – 1 Pin Names Description OE Output Enable Input TR TransmitReceive Input A0–A7 Side A Inputs or TRI-STATE Outputs B0–B7 Side B Inputs or TRI-STATE Outputs Connection Diagram Pin Assignment for SOIC QSOP and TSSOP TLF11540 – 2 SOIC JEDEC QSOP TSSOP Order Number 74LVX4245WM 74LVX4245QSC 74LVX4245MTC 74LVX4245WMX 74LVX4245QSCX 74LVX4245MTCX See NS Package Number M24B MQA24 MTC24 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation RRD-B30M115Printed in U S A |
Podobny numer części - 74LVX4245MTCX |
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Podobny opis - 74LVX4245MTCX |
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