74HCT374D,653 Linear And Digital Integrated Circuits , Computer Microchip
electronics ic chip
,integrated circuit components
74HCT374D Linear And Digital Integrated Circuits , Computer Microchip
74HCT374D Octal D-type flip-flop; positive edge-trigger; 3-state
FEATURES
• 3-state non-inverting outputs for bus oriented applications
• 8-bit positive, edge-triggered register
• Common 3-state output enable input
• Independent register and 3-state buffer operation
• Output capability: bus driver
• ICC category: MSI
GENERAL DESCRIPTION
The 74HC/HCT374 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A.
The 74HC/HCT374 are octal D-type flip-flops featuring separate D-type inputs for each flip-flop and 3-state outputs for bus oriented applications. A clock (CP) and an output enable (OE) input are common to all flip-flops. The 8 flip-flops will store the state of their individual D-inputs that meet the set-up and hold times requirements on the LOW-to-HIGH CP transition. When OE is LOW, the contents of the 8 flip-flops are available at the outputs. When OE is HIGH, the outputs go to the high impedance OFF-state. Operation of the OE input does not affect the state of the flip-flops. The “374” is functionally identical to the “534”, but has non-inverting outputs
| SYMBOL | PARAMETER | CONDITIONS |
| tPHL/ tPLH | propagation delay CP to Qn | CL = 15 pF; VCC = 5 V |
| fmax | maximum clock frequency | CL = 15 pF; VCC = 5 V |
| CI | input capacitance | |
| CPD | power dissipation capacitance per flip-flop | notes 1 and 2 |
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