SN54HCT242J, SN54HCT244FK, SN54HCT245 Selling Leads, Datasheet
MFG:TI Package Cooled:DIP D/C:03+
SN54HCT242J, SN54HCT244FK, SN54HCT245 Datasheet download
Part Number: SN54HCT242J
MFG: TI
Package Cooled: DIP
D/C: 03+
SN54HCT242J, SN54HCT244FK, SN54HCT245
- Table of contents:
Info of SN54HCT242J
Info of SN54HCT244FK
Info of SN54HCT245
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About SN54/74LS00
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Datasheet: SN54/74LS00
File Size: 34868 KB
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About SN54HCT244FK
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Datasheet: SN54HCT244FK
File Size: 542044 KB
Manufacturer: TI [Texas Instruments]
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About SN54HCT245
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Datasheet: SN54HCT245
File Size: 97566 KB
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SN54HCT245 General Description
These octal bus transceivers are designed for asynchronous two-way communication between data buses. The control-function implementation minimizes external timing requirements.
The 'HCT245 devices allow data transmission 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 device so that the buses are effectively isolated.
The 'HCT245 devices allow data transmission 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 device so that the buses are effectively isolated.
SN54HCT245 Maximum Ratings
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5 V to 7 V
Input clamp current, IIK (VI < 0 or VI > VCC) (see Note 1) . . . . . . . . . . . . . . . . . . . . ±20 mA
Output clamp current, IOK (VO < 0 or VO > VCC) (see Note 1) . . . . . . . . . . . . . . . . . ±20 mA
Continuous output current, IO (VO = 0 to VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . ..±35 mA
Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±70 mA
Package thermal impedance, JA (see Note 2): DB package . . . . . . . . . . . . . . . . . . . . 70/W
DW package . . . . . . . . . . . . . . . . . . . .58/W
N package . . . . . . . . . . . . . . . . . . . . . .69/W
NS package . . . . . . . . . . . . . . . . . . . .. 60/W
PW package . . . . . . . . . . . . . . . . . . . . 83/W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 to 150
† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only,and
functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
Input clamp current, IIK (VI < 0 or VI > VCC) (see Note 1) . . . . . . . . . . . . . . . . . . . . ±20 mA
Output clamp current, IOK (VO < 0 or VO > VCC) (see Note 1) . . . . . . . . . . . . . . . . . ±20 mA
Continuous output current, IO (VO = 0 to VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . ..±35 mA
Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±70 mA
Package thermal impedance, JA (see Note 2): DB package . . . . . . . . . . . . . . . . . . . . 70/W
DW package . . . . . . . . . . . . . . . . . . . .58/W
N package . . . . . . . . . . . . . . . . . . . . . .69/W
NS package . . . . . . . . . . . . . . . . . . . .. 60/W
PW package . . . . . . . . . . . . . . . . . . . . 83/W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 to 150
† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only,and
functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
SN54HCT245 Features
Operating Voltage Range of 4.5 V to 5.5 V
High-Current 3-State Outputs Drive Bus Lines Directly or Up To 15 LSTTL Loads
Low Power Consumption, 80-A Max ICC
Typical tpd = 14 ns
±6-mA Output Drive at 5 V
Low Input Current of 1 A Max
Inputs Are TTL-Voltage Compatible
High-Current 3-State Outputs Drive Bus Lines Directly or Up To 15 LSTTL Loads
Low Power Consumption, 80-A Max ICC
Typical tpd = 14 ns
±6-mA Output Drive at 5 V
Low Input Current of 1 A Max
Inputs Are TTL-Voltage Compatible
SN54HCT245 Connection Diagram
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