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SN74LVC374APWR

Name: SN74LVC374APWR
Rating: 4.7 (12 reviews)

IC FF D-TYPE SNGL 8BIT 20TSSOP

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Mfr.부분 #SN74LVC374APWR
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데이터시트 SN74LVC374APWR DataSheet
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사양

Supplier	Texas Instruments
Package	Tape & Reel (TR),Cut Tape (CT)
Series	74LVC
ProductStatus	Active
Function	Standard
Type	D-Type
OutputType	Tri-State, Non-Inverted
NumberofElements	1
NumberofBitsperElement	8
ClockFrequency	100 MHz
MaxPropagationDelay@VMaxCL	7ns @ 3.3V, 50pF
TriggerType	Positive Edge
Current-OutputHighLow	24mA, 24mA
Voltage-Supply	1.65V ~ 3.6V
Current-Quiescent(Iq)	10 µA
InputCapacitance	4 pF
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
SupplierDevicePackage	20-TSSOP

개요

Description

SN74LVC374APWR is an 8-bit, edge-triggered D-type register with 3-state outputs (octal register/flip-flop with Output Enable). It captures D0–D7 on a rising clock edge and presents the corresponding Q0–Q7 after a short propagation delay. An Output Enable (OE) input allows all eight outputs to be placed in high-impedance for bus interfacing. There are no asynchronous set/reset inputs; data changes only on clock edges.
Key points:
- 8 D inputs, 8 Q outputs
- Clocked on rising edge
- 3-state outputs (OE controls tri-state)
- Vcc: 1.65–3.6 V (LVC family)
- Applications: data buffering/latching, bus interfacing, pipelines
- APWR suffix indicates Pb-free/RoHS-compliant packaging options (e.g., 20-pin TSSOP/SOIC)
For exact timing (tpd, setup/hold, IO characteristics) and pinout, consult the TI datasheet.

Features

Here are the key features of SN74LVC374APWR (8-bit D-type storage register with 3-state outputs):
- 8-bit storage register with 3-state (tri-state) outputs
- Independent output enable (OE) to place outputs in high impedance
- Low-voltage CMOS operation: VCC = 1.65 V to 3.6 V
- Ioff support for partial-power-down (no back-powering)
- TTL/CMOS-compatible input thresholds
- Pb-free (RoHS-compliant) packaging (APWR variant)
- Suitable for bus interfacing and data sharing across devices
- Flexible 8-bit data input/output customer applications

Package

The SN74LVC374APWR comes in a PowerPAD (exposed-pad) 20-pin TSSOP package (TSSOP-20 with PowerPAD).

Pinout

- Pin count: 20 pins.
- Function: Octal D-type edge-triggered register (8-bit DFF) with 3-state outputs. D0–D7 are captured on the rising edge of CLK; Q0–Q7 present the stored data; outputs are enabled/disabled by an active-low OE (/OE). Includes Vcc and GND.

Manufacturer

- Manufacturer: Texas Instruments Incorporated (TI).
- What kind of company: American multinational semiconductor company that designs, manufactures, and sells analog, mixed-signal, and embedded processing integrated circuits.

Application

SN74LVC374APWR is an 8-bit edge-triggered register with tri-state outputs. Applications: buffering and latching data in microprocessor/microcontroller interfaces; demultiplexing multiplexed address/data buses (ALE-style bus demux); implementing pipeline registers and timing alignment; and general bus isolation between processors, memory, and peripherals in synchronous digital systems.

Equivalent

Equivalent parts are other vendors’ 8‑bit D‑type edge‑triggered registers with 3‑state outputs in the 74LVC/74HC/74HCT families. Examples:
- MC74LVC374A (ON Semiconductor)
- 74LVC374A (NXP/Nexperia)
- 74HC374 or 74HCT374 (various vendors)
Notes:
- LVC parts typically run 1.65–3.6 V; HC/HCT run higher (often up to 5 V).
- Check pinout, OE/CLK pins, and voltage range for true cross‑compatibility.