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Part Number: SN54LVTZ245
Description: These octal bus transceivers are designed specifically for low-voltage (3.3-V) VCC operation, but with...
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SN54LVTZ245
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DataSheet
General Description
SN54LVTZ245 General Description
These octal bus transceivers are designed specifically for low-voltage (3.3-V) VCC operation, but with the capability to provide a TTL interface to a 5-V system environment.
These devices are designed for asynchronous communication between data buses. They transmit data from the A bus to the B bus or from the B bus to the A bus, depending upon the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the devices so the buses are effectively isolated.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
The SN74LVTZ245 is available in TI's shrink small-outline package (DB), which provides the same I/O pin count and functionality of standard small-outline packages in less than half the printed-circuit-board area.
The SN54LVTZ245 is characterized for operation over the full military temperature range of 55°C to 125°C. The SN74LVTZ245 is characterized for operation from 40°C to 85°C.
SN54LVTZ245 Maximum Ratings
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5 V to 4.6 V
Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . .0.5 V to 7 V
Voltage range applied to any output in the high state or power-off state, VO (see Note 1) . .0.5 V to 7 V
Current into any output in the low state, IO: SN54LVTZ245 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . 96 mA
SN74LVTZ245 . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . .128 mA
Current into any output in the high state, IO (see Note 2): SN54LVTZ245 . . . . . . . . . . . . . . . . . . . . .48 mA
SN74LVTZ245 . . . . . . . . . . . . . . . . . . . . .64 mA
Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 mA
Output clamp current, IOK (VO < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 mA
Maximum power dissipation at TA = 55°C (in still air) (see Note 3): DB package . . . . . . . . . . . . . . . . .0.6 W
DW package . . . . . . . . . . . . . . . . .1.6 W
PW package . . . . . . . . . . . . . . . . .0.7 W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C
Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . .0.5 V to 7 V
Voltage range applied to any output in the high state or power-off state, VO (see Note 1) . .0.5 V to 7 V
Current into any output in the low state, IO: SN54LVTZ245 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . 96 mA
SN74LVTZ245 . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . .128 mA
Current into any output in the high state, IO (see Note 2): SN54LVTZ245 . . . . . . . . . . . . . . . . . . . . .48 mA
SN74LVTZ245 . . . . . . . . . . . . . . . . . . . . .64 mA
Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 mA
Output clamp current, IOK (VO < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 mA
Maximum power dissipation at TA = 55°C (in still air) (see Note 3): DB package . . . . . . . . . . . . . . . . .0.6 W
DW package . . . . . . . . . . . . . . . . .1.6 W
PW package . . . . . . . . . . . . . . . . .0.7 W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C
SN54LVTZ245 Features
State-of-the-Art Advanced BiCMOS Technology (ABT) Design for 3.3-V Operation and Low-Static Power Dissipation
High-Impedance State During Power Up and Power Down
Support Mixed-Mode Signal Operation (5-V Input and Output Voltages With 3.3-V VCC)
Support Unregulated Battery Operation Down to 2.7 V
Typical VOLP (Output Ground Bounce) < 0.8 V at VCC = 3.3 V, TA = 25°C
Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17
Bus-Hold Data Inputs Eliminate the Need for External Pullup/Pulldown Resistors
Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), and Thin Shrink Small-Outline (PW) Packages, Ceramic Chip Carriers (FK), and Ceramic (J) DIPs
SN54LVTZ245 Connection Diagram
SN54LVTZ245
PDF/DataSheet Download
- Datasheet: SN54LVTZ245
- File Size: 111937 KB
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- ·SN54/74LS00
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- ·SN54/74LS01
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- ·SN54/74LS02
- QUAD 2-INPUT NOR GATE
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- ·SN54/74LS03
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- ·SN54/74LS04
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- ·SN54/74LS05
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- ·SN54/74LS08
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- ·SN54/74LS09
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