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M74HCTXXXB1R датащи(PDF) 1 Page - STMicroelectronics |
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M74HCTXXXB1R датащи(HTML) 1 Page - STMicroelectronics |
1 / 13 page M54/74HCT563 M54/74HCT573 October 1993 HCT563 INVERTING - HCT573 NON INVERTING OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT B1R (Plastic Package) ORDER CODES : M54HCTXXXF1R M74HCTXXXM1R M74HCTXXXB1R M74HCTXXXC1R F1R (Ceramic Package) M1R (Micro Package) C1R (Chip Carrier) PIN CONNECTION (top view) . HIGH SPEED tPD = 18 ns (TYP.) AT VCC =5 V . LOW POWER DISSIPATION ICC =4 µA (MAX.) AT TA =25 °C . COMPATIBLE WITH TTL OUTPUTS VIH = 2V (MIN.) VIL = 0.8V (MAX.) . OUTPUT DRIVE CAPABILITY 15 LSTTL LOADS . SYMMETRICAL OUTPUT IMPEDANCE IOL = IOH= 6 mA (MIN.) . BALANCED PROPAGATION DELAYS tPLH =tPHL . PIN AND FUNCTION COMPATIBLE WITH 54/74LS563/573 DESCRIPTION The M54/74HCT563 and M54HCT573 are high speed CMOS OCTAL LATCH WITH 3-STATE OUTPUTS fabricated with silicon gate C 2MOS technology. These ICs achive the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation. These 8 bit D-Type latches are controlled by a latch enable input (LE) and a output enable input (OE). While the LE input is held at a high level, the Q outputs will follow the data input precisely or inversely. When the LE is taken low, the Q outputs will be latched precisely or inversely at the logic level of D input data. While the OE input is at low level, the eight outputs will be in a normal logic state (high or low logic level) and while high level the outpts will be in a high impedance state. The application designer has a choise of combination of inverting and non inverting outputs. This integrated circuit has input and output characteristics that are fully compatible with 54/74 LSTTL logic families. M54/74HCT devices are designed to directly interface HSC 2MOS systems with TTL and NMOS components. They are also plug in replacements for LSTTL devices giving a reduction of power consumption. All inputs are equipped with protection circuits against discharge and transient excess voltage. HCT563 HCT573 HCT563 HCT573 1/13 |
Аналогичный номер детали - M74HCTXXXB1R |
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Аналогичное описание - M74HCTXXXB1R |
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