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74HCT640 from HAR

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74HCT640

Manufacturer: HAR

inverting

Partnumber Manufacturer Quantity Availability
74HCT640 HAR 138 In Stock

Description and Introduction

inverting The 74HCT640 is a high-speed CMOS logic device manufactured by various companies, including Texas Instruments, NXP Semiconductors, and others. It is an octal bus transceiver with 3-state outputs, designed for asynchronous communication between data buses. The device features non-inverting outputs and is compatible with TTL levels. Key specifications include:

- **Supply Voltage (VCC):** 4.5V to 5.5V
- **Input Voltage (VI):** 0V to VCC
- **Output Voltage (VO):** 0V to VCC
- **Operating Temperature Range:** -40°C to +85°C
- **Propagation Delay:** Typically 15 ns at 5V
- **Output Drive Capability:** 15 LSTTL loads
- **Power Dissipation:** Low power consumption, typically 80 µA at 5V
- **Package Options:** Available in various packages such as DIP, SOIC, and TSSOP

The 74HCT640 is commonly used in applications requiring bidirectional data transfer, such as in microprocessors, memory systems, and data communication systems.

Partnumber Manufacturer Quantity Availability
74HCT640 ELCAP 667 In Stock

Description and Introduction

inverting The 74HCT640 is a high-speed CMOS logic octal bus transceiver with 3-state outputs, manufactured by various companies, including ELCAP. It is designed for bidirectional data flow between buses. The device features non-inverting outputs and is compatible with TTL levels. Key specifications include:

- **Supply Voltage (VCC):** 4.5V to 5.5V
- **Input Voltage (VI):** 0V to VCC
- **Output Voltage (VO):** 0V to VCC
- **Operating Temperature Range:** -40°C to +85°C
- **High-Level Input Voltage (VIH):** 2V (min)
- **Low-Level Input Voltage (VIL):** 0.8V (max)
- **High-Level Output Voltage (VOH):** 4.4V (min) at IOH = -4mA
- **Low-Level Output Voltage (VOL):** 0.1V (max) at IOL = 4mA
- **Propagation Delay (tpd):** Typically 18ns at VCC = 5V
- **Output Drive Capability:** 15 LSTTL loads
- **Power Dissipation (PD):** 500mW (max)

The 74HCT640 is available in various package types, including DIP, SOIC, and TSSOP. It is commonly used in applications requiring bidirectional data transfer, such as in microprocessors and data communication systems.

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