74LS368: Top Choice in United States (USA) Utsource Holding Company Limited

Description

BUY 74LS368 https://www.utsource.net/itm/p/344535.html
HEX BUS DROVERS WITH 3-STATE OUTPUTS

Below is the parameter table and instructions for the 74LS368 IC.

74LS368 Parameter Table

Parameter	Symbol	Min	Typ	Max	Unit
Supply Voltage	V_CC	4.75	5.0	5.25	V
Input High Voltage	V_IH	2.0	-	5.0	V
Input Low Voltage	V_IL	0.0	-	0.8	V
Output High Voltage	V_OH	2.4	-	5.0	V
Output Low Voltage	V_OL	0.0	-	0.4	V
Input Leakage Current	I_IL	-1.0	-	0.1	mA
Output High Current	I_OH	-0.4	-	-0.04	mA
Output Low Current	I_OL	8.0	-	16.0	mA
Propagation Delay Time	t_pd	10	15	22	ns
Power Dissipation	P_D	-	-	100	mW
Operating Temperature Range	T_A	-55	-	125	°C

74LS368 Instructions

Description

The 74LS368 is a high-speed TTL (Transistor-Transistor Logic) octal bus transceiver with three-state outputs. It is used to transfer data between two buses or between a bus and other logic circuits. The device has eight data lines (D1 to D8) that can be transmitted in either direction based on the control inputs.

Pin Configuration

Pin Number	Pin Name	Description
1	A1	Data Input/Output 1
2	A2	Data Input/Output 2
3	A3	Data Input/Output 3
4	A4	Data Input/Output 4
5	A5	Data Input/Output 5
6	A6	Data Input/Output 6
7	A7	Data Input/Output 7
8	GND	Ground
9	B1	Data Input/Output 8
10	B2	Data Input/Output 9
11	B3	Data Input/Output 10
12	B4	Data Input/Output 11
13	B5	Data Input/Output 12
14	B6	Data Input/Output 13
15	B7	Data Input/Output 14
16	B8	Data Input/Output 15
17	OE	Output Enable (Active Low)
18	DIR	Direction Control (Active High)
19	V_CC	Power Supply
20	NC	No Connect

Operation

Direction Control (DIR):
- When DIR is high, data is transmitted from the A side to the B side.
- When DIR is low, data is transmitted from the B side to the A side.
Output Enable (OE):
- When OE is low, the outputs are enabled and the data is transmitted according to the direction set by DIR.
- When OE is high, all outputs are in a high-impedance state (three-state), effectively disconnecting them from the bus.
Power Supply:
- Connect V_CC to +5V and GND to ground.
Data Transfer:
- Connect the data lines (A1 to A8 and B1 to B8) to the appropriate input/output devices or buses.
- Ensure that the control signals (DIR and OE) are properly configured to enable the desired data transfer direction and output state.

Example Usage

To transmit data from A to B:
- Set DIR high.
- Set OE low.
- Apply data to the A side.
- The data will appear on the B side.
To transmit data from B to A:
- Set DIR low.
- Set OE low.
- Apply data to the B side.
- The data will appear on the A side.
To disable the outputs:
- Set OE high.
- The outputs will be in a high-impedance state, regardless of the DIR setting.

Notes

Ensure that the power supply voltage (V_CC) is within the specified range to avoid damage to the IC.
Use appropriate pull-up or pull-down resistors if necessary to ensure stable logic levels.
The 74LS368 is designed for TTL logic levels and should not be used with CMOS devices without proper level conversion.

(For reference only)

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