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Part Number: HD74LVC4245A
Description: The HD74LVC4245A has eight bus transceivers with three state outputs in a 24 pin package. When (DIR) i...
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HD74LVC4245A
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DataSheet
General Description
HD74LVC4245A General Description
The HD74LVC4245A has eight bus transceivers with three state outputs in a 24 pin package. When (DIR) is high, data flows from the A inputs to the B outputs, and when (DIR) is low, data flows from the B inputs to the A outputs. A and B bus are separated by making enable input (OE) high level. And this product has two terminals (VCCA, VCCB), VCCA (5V) is connected with control input and A bus side, VCCB (3.3V) connected with B bus side. VCCA and VCCB are isolated. This allows for translation from a 3.3 V to a 5 V environment, and vice versa. Low voltage and high-speed operation is suitable at the battery drive product (note type personal computer) and low power consumption extends the life of a battery for long time operation.
HD74LVC4245A Maximum Ratings
|
Item |
Symbol |
Ratings |
Unit |
Conditions |
|
Supply voltage |
VCCA, VCCB |
0.5 to 6.0 |
V |
|
|
Input voltage |
VI |
0.5 to 6.0 |
V |
DIR,OE |
|
Input / output voltage |
VI/O |
0.5 to VCCA+0.5 |
V |
A port output "H" or "L" |
|
A port output "Z" or VCCA : OFF | ||||
|
0.5 to 6.0 |
B port output "H" or "L" | |||
|
0.5 to VCCB+0.5 |
A port output "Z" or VCCA : OFF | |||
|
0.5 to 6.0 |
VCC : OFF | |||
|
Input diode current |
IIK |
50 |
mA |
VI < 0 |
|
Output diode current |
IOK |
-50 |
mA |
VO < 0 |
|
50 |
VO > VCC+0.5 | |||
|
Output current |
IO |
±50 |
mA |
|
|
VCCA, VCCB, GND current |
ICCA, ICCB, IGND |
100 |
mA |
|
|
Maximum power dissipation at Ta = 25°C (in still air)*2 |
PT |
862 |
mW |
TSSOP |
|
Storage temperature |
Tstg |
65 to 150 |
observed.
2. The maximum package power dissipation was calculated using a junction temperature of 150°C.
HD74LVC4245A Features
• This product function as level shift transceiver that change VCCA input level to VCCB output level, VCCB input level to VCCA output level by providing different supply voltage to VCCA and VCCB.
• This product is able to the power management: Turn on and off the supply on VCCB side with providing the supply of VCCA. (Enable input (OE): High level )
• VCCA = 4.5 V to 5.5 V, VCCB = 2.7 V to 3.6 V
• All control input VI (max) = 5.5 V (@VCCA = 0 V to 5.5 V)
• All A bus side input outputs VI/O (max) = 5.5 V (@VCCA = 0 V or output off state)
• All B bus side input outputs VI/O (max) = 3.6 V (@VCCB = 0 V or output off state)
• High output current A bus side : ±24 mA (@VCCA = 4.5 V to 5.5 V)
B bus side : ±12 mA (@VCCB = 2.7 V)
±24 mA (@VCCB = 3.0 V to 3.6 V)
• Ordering Information
HD74LVC4245A Connection Diagram
HD74LVC4245A
PDF/DataSheet Download
- Datasheet: HD74LVC4245A
- File Size: 112686 KB
- Manufacturer: RENESAS [Renesas Technology Corp]
- Click here to Download
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