Octal bus transceiver Integrated Circuit Chip 3-state 74HC245PW,118
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1. General description
The 74HC245; 74HCT245 is a high-speed Si-gate CMOS device and is pin compatible with Low-Power Schottky TTL (LSTTL).
The 74HC245; 74HCT245 is an octal transceiver featuring non-inverting 3-state bus compatible outputs in both send and receive directions. The 74HC245; 74HCT245 features an output enable input (OE) for easy cascading and a send/receive input (DIR) for direction control. OE controls the outputs so that the buses are effectively isolated.
The 74HC245; 74HCT245 is similar to the 74HC640; 74HCT640 but has true (non-inverting) outputs.
2. Features
■ Octal bidirectional bus interface ■ Non-inverting 3-state outputs ■ Multiple package options ■ Complies with JEDEC standard no. 7A ■ ESD protection: ◆ HBM EIA/JESD22-A114-B exceeds 2000 V ◆ MM EIA/JESD22-A115-A exceeds 200 V ■ Specified from −40 °C to +85 °C and from −40 °C to +125 °C
3. Quick reference data GND = 0 V; Tamb = 25 °C; tr = tf = 6 ns
[1] CPD is used to determine the dynamic power dissipation (PD in µW): PD = CPD × VCC2 × fi × N + ∑ (CL × VCC2 × fo) where: fi = input frequency in MHz; fo = output frequency in MHz; CL = output load capacitance in pF; VCC = supply voltage in V; N = number of inputs switching; ∑ (CL × VCC2 × fo) = sum of outputs.
4. Functional diagram
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Product Tags: integrated circuit ic integrated circuit components |
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