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SNJ54LS244FK Integrated Circuit IC Chip With 3-State Outputs
Military 8-Ch 4.5V
Military 8-ch, 4.5-V to 5.5-V bipolar buffers with 3-state outputs
Specifications of SNJ54LS244FK
| Technology family | LS |
| Supply voltage (min) (V) | 4.5 |
| Supply voltage (max) (V) | 5.5 |
| Number of channels | 8 |
| IOL (max) (mA) | 24 |
| Supply current (max) (µA) | 46000 |
| IOH (max) (mA) | -15 |
| Input type | Bipolar |
| Output type | 3-State |
| Features | High speed (tpd 10-50ns) |
| Rating | Military |
| Operating temperature range (°C) | -55 to 125 |
Features of SNJ54LS244FK
*Inputs Tolerant Down to 2 V, Compatible With 3.3-V or 2.5-V Logic
Inputs
*Maximum tpd of 15 ns at 5 V
*3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
*PNP Inputs Reduce DC Loading
*Hysteresis at Inputs Improves Noise Margins
Applications of SNJ54LS244FK
• Servers
• LED Displays
• Network Switches
• Telecom Infrastructure
• Motor Drivers
• I/O Expanders
Overview of SNJ54LS244FK
This device is organized as two 4-bit buffers and drivers with
separate output-enable (G) inputs. When G is low,
the device passes data from the A inputs to the Y outputs. When G
is high, the outputs are in the high
impedance state. Inputs can be driven from either 3.3-V or 5-V
devices. This feature allows the use of this device
as a translator in a mixed 3.3-V and 5-V system environment. To
ensure the high-impedance state during power
up or power down, G must be tied to VCC through a pullup resistor;
the minimum value of the resistor is
determined by the current-sinking capability of the driver.
