These devices are positive-edge-triggered octal D-type Flip-Flops SN54HC377 SN74HC377 with an enable input. The HC377 are similar to the HC273 but feature a latched clock-enable (CLKEN) input instead of a common clear. Information at the data (D) inputs meeting the setup time requirements is transferred to the Q outputs on the positive-going edge of the Clock (CLK) pulse if CLKEN is low. Clock triggering occurs at a particular voltage level and is not directly related to the transition time of the positive-going pulse. When CLK is at either the high or low level, the D input has no effect at the output. These devices are designed to prevent false clocking by transitions at CLKEN. The SN54HC377 is characterized for operation over the full military temperature range of 55C to 125C. The SN74HC377 is characterized for operation from 40C to 85C By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN54HC377J Texas Instruments Octal, Hex, And Quad D-type Flip-Flops With Clock Enable 20-CDIP -55 to 125
SN54HC377 's PackagesSN54HC377 's pdf datasheet

SN54HC377 Pinout, Pinouts
SN54HC377 pinout,Pin out
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