Hex/Quad D Flip-Flops with Clear
54LS174 DM54LS174 DM74LS174 54LS175 DM54LS175 DM74LS175 Hex Quad D Flip-Flops with Clear
June 1989
54LS174 DM54LS174 D...
Description
54LS174 DM54LS174 DM74LS174 54LS175 DM54LS175 DM74LS175 Hex Quad D Flip-Flops with Clear
June 1989
54LS174 DM54LS174 DM74LS174 54LS175 DM54LS175 DM74LS175 Hex Quad D Flip-Flops with Clear
General Description
These positive-edge-triggered flip-flops utilize TTL circuitry to implement D-type flip-flop logic All have a direct clear input and the quad (175) versions feature complementary outputs from each flip-flop
Information at the D inputs meeting the setup time requirements is transferred to the Q outputs on the positive-going edge of the clock pulse Clock triggering occurs at a particular voltage level and is not directly related to the transition time of the positive-going pulse When the clock input is at either the high or low level the D input signal has no effect at the output
Features
Y LS174 contains six flip-flops with single-rail outputs Y LS175 contains four flip-flops with double-rail outputs Y Buffered clock and direct clear inputs Y Individual data input to each flip-flop Y Applications include
Buffer storage registers Shift registers Pattern generators Y Typical clock frequency 40 MHz Y Typical power dissipation per flip-flop 14 mW Y Alternate Military Aerospace device (54LS174 54LS175) is available Contact a National Semiconductor Sales Office Distributor for specifications
Connection Diagrams
Dual-In-Line Package
Dual-In-Line Package
TL F 6404 – 1
Order Number 54LS174DMQB 54LS174FMQB 54LS174LMQB DM54LS174J
DM54LS174W DM74LS174M or DM74LS174N See NS Pack...
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