74HCT245 Octal Bus Transceiver

Name: 74HCT245 Octal Bus Transceiver
Brand: Texas Instruments

74HCT245

Texas Instrumentsic logic

74HCT245 Octal Bus Transceiver is designed for asynchronous two-way communication between data buses, featuring high-current 3-state outputs and low power consumption.

Manufacturer datasheet

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Specifications

Operating Voltage: 4.5 V to 5.5 V
Supply Current: 80-µA maximum ICC µA
Interface: Bidirectional buffer with direction control and active low output enable
Resolution: ±6-mA output drive at 5 V mA
Range: 4.5 V to 5.5 V V
Accuracy: Typical tpd = 14 ns, ±6-mA output drive at 5 V
Temperature Range: -55°C to 125°C (SN54HCT245), -40°C to 85°C (SN74HCT245) °C
Package: J, W, DB, DW, N, NS, PW or DGS Packages: 20-pin CDIP, CFP, SSOP, SOIC, PDIP, SO, TSSOP or VSSOP

Pinout

Pin	Name	Functions	Notes
1	DIR	GPIO	Direction select. High = A to B, Low = B to A
2	A1	GPIO	Channel 1 port A
3	A2	GPIO	Channel 2 port A
4	A3	GPIO	Channel 3 port A
5	A4	GPIO	Channel 4 port A
6	A5	GPIO	Channel 5 port A
7	A6	GPIO	Channel 6 port A
8	A7	GPIO	Channel 7 port A
9	A8	GPIO	Channel 8 port A
10	GND	GND	Ground
11	B8	GPIO	Channel 8 port B
12	B7	GPIO	Channel 7 port B
13	B6	GPIO	Channel 6 port B
14	B5	GPIO	Channel 5 port B
15	B4	GPIO	Channel 4 port B
16	B3	GPIO	Channel 3 port B
17	B2	GPIO	Channel 2 port B
18	B1	GPIO	Channel 1 port B
19	OE	GPIO	Output enable, active low. High = all ports in high impedance mode, Low = all ports active
20	VCC	POWER	Power supply

Interactive pinout

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