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MC74HCXXXASD bảng dữ liệu(PDF) 1 Page - Motorola, Inc |
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MC74HCXXXASD bảng dữ liệu(HTML) 1 Page - Motorola, Inc |
1 / 7 page MOTOROLA SEMICONDUCTOR TECHNICAL DATA 3–1 REV 6 © Motorola, Inc. 1995 10/95 Octal 3-State Noninverting D Flip-Flop High–Performance Silicon–Gate CMOS The MC54/74HC374A is identical in pinout to the LS374. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs. Data meeting the setup time is clocked to the outputs with the rising edge of the clock. The Output Enable input does not affect the states of the flip–flops, but when Output Enable is high, the outputs are forced to the high–impedance state; thus, data may be stored even when the outputs are not enabled. The HC374A is identical in function to the HC574A which has the input pins on the opposite side of the package from the output. This device is similar in function to the HC534A which has inverting outputs. • Output Drive Capability: 15 LSTTL Loads • Outputs Directly Interface to CMOS, NMOS, and TTL • Operating Voltage Range: 2.0 to 6.0 V • Low Input Current: 1.0 µA • High Noise Immunity Characteristic of CMOS Devices • In Compliance with the Requirements Defined by JEDEC Standard No. 7A • Chip Complexity: 266 FETs or 66.5 Equivalent Gates LOGIC DIAGRAM DATA INPUTS D0 11 CLOCK D1 D2 D3 D4 D5 D6 D7 18 17 14 13 8 7 4 3 1 OUTPUT ENABLE 19 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 16 15 12 9 6 5 2 PIN 20 = VCC PIN 10 = GND NONINVERTING OUTPUTS FUNCTION TABLE Inputs Output Output Enable Clock D Q L H H L L L L L,H, X No Change H X X Z X = don’t care Z = high impedance MC54/74HC374A PIN ASSIGNMENT Q2 D1 D0 Q0 OUTPUT ENABLE GND Q3 D3 D2 Q1 5 4 3 2 1 10 9 8 7 6 14 15 16 17 18 19 20 11 12 13 Q6 D6 D7 Q7 VCC CLOCK Q4 D4 D5 Q5 DW SUFFIX SOIC PACKAGE CASE 751D–04 N SUFFIX PLASTIC PACKAGE CASE 738–03 ORDERING INFORMATION MC54HCXXXAJ MC74HCXXXAN MC74HCXXXADW MC74HCXXXASD MC74HCXXXADT Ceramic Plastic SOIC SSOP TSSOP DT SUFFIX TSSOP PACKAGE CASE 948E–02 J SUFFIX CERAMIC PACKAGE CASE 732–03 1 20 1 20 SD SUFFIX SSOP PACKAGE CASE 940C–03 1 20 1 20 1 20 |
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