SN74LS377NG4

Max Propagation Delay @ V, Max CL:	27ns @ 5V, 15pF
Base Part Number:	74LS377
Package / Case:	20-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	0°C ~ 70°C (TA)
Current - Quiescent (Iq):	28mA
Voltage - Supply:	4.75 V ~ 5.25 V
Current - Output High, Low:	400µA, 8mA
Trigger Type:	Positive Edge
Series:	74LS
Clock Frequency:	40MHz
Number of Bits per Element:	8
Number of Elements:	1
Output Type:	Non-Inverted
Type:	D-Type
Function:	Standard
Part Status:	Active
Packaging:	Tube

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Logic - Flip Flops

The SN74LS377NG4 is a commonly used device in many applications and a key component in Flip Flops. This device can be found in many types of automated systems including robotics, automation, tracking systems, high speed logic, and memory storage applications.The SN74LS377NG4 is part of the popular 74LS family of logic integrated circuits (ICs). This device operates at a supply voltage range of 2.7V to 5.5V, and has an operating temperature range of 0 to 70°C. The SN74LS377NG4 has a total of twenty outputs with 4 active-low outputs and 8 active-high outputs. Each of these outputs is individually controllable with eight OE (output enable) inputs.Flip Flops are logic devices that take a digital input and store binary values in an internal register that is used through successive applications. Flip flops are used in many types of digital systems in order to maintain current state information. There are two main types of Flip Flops: the JK-type and the D-type. Within these two types, there are a variety of difftent models and variations, such as the T-type and the R-S-type. The SN74LS377NG4 is a D-type Flip-Flop. The device has eight data input terminals, four clear/reset (CLR/R) and four set/enable (SET/E) inputs. It also has eight outputs, four output enable (OE) inputs and a power supply terminal VCC. The SN74LS377NG4 can be used in logic applications, data storage, tracking systems and other controlled applications. To determine the data stored in the register, the user defines the values of the eight data inputs. CLR/R and SET/E inputs are used to preset and clear the register, respectively. The OE (Output Enable) inputs are used to turn the output signals on or off. When a logic “1” is applied to the SET/E input and logic “0” is applied to CLR/R, then Q outputs will assume the level of the data inputs. When the SET/E input is logic “0”, the operation of CLR/R depends on the level of the data inputs. If the data inputs are logic “1” and the CLR/R input is logic “1”, then Q outputs will assume the logic “0” level regardless of the SET/E input.When the data input level is either “L” or “H”, and then the OE input is logic true, the corresponding Q output will assume the level of the data inputs. This can be done in any register combination according to the truth table.The SN74LS377NG4 is a useful device for applications requiring a small amount of memory storage and tracking systems where more complex registers are not required. This high-speed logic device is simple to use and integrate into any system and can save cost and time in design. It also enables multiple shifting operations to be completed by just one instruction.

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