HD74LVC4245A Datasheet, PDF (1/11 Pages) Renesas Technology Corp – Octal Bus Transceiver and 3.3 V to 5 V shifters with 3-state Outputs

HD74LVC4245A
Octal Bus Transceiver and 3.3 V to 5 V shifters
with 3-state Outputs
REJ03D0378–0100
(Previous ADE-205-683 (Z))
Rev.1.00
Aug. 20, 2004
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 (V_CCA, V_CCB), V_CCA
(5V) is connected with control input and A bus side, V_CCB (3.3V) connected with B bus side. V_CCA and V_CCB 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.
Features
• This product function as level shift transceiver that change V_CCA input level to V_CCB output level, V_CCB input level to
V_CCA output level by providing different supply voltage to V_CCA and V_CCB.
• This product is able to the power management: Turn on and off the supply on V_CCB side with providing the supply
of V_CCA. (Enable input (OE): High level )
• V_CCA = 4.5 V to 5.5 V, V_CCB = 2.7 V to 3.6 V
• All control input V_I (max) = 5.5 V (@V_CCA = 0 V to 5.5 V)
• All A bus side input outputs V_I/O (max) = 5.5 V
(@V_CCA = 0 V or output off state)
• All B bus side input outputs V_I/O (max) = 3.6 V
(@V_CCB = 0 V or output off state)
• High output current
A bus side : ±24 mA (@V_CCA = 4.5 V to 5.5 V)
B bus side : ±12 mA (@V_CCB = 2.7 V)
±24 mA (@V_CCB = 3.0 V to 3.6 V)
• Ordering Information
Part Name
Package Type
Package Code
Package
Abbreviation
Taping Abbreviation
(Quantity)
HD74LVC4245ATEL
TSSOP–24 pin
TTP–24DBV
T
EL (1,000 pcs/reel)
Rev.1.00 Aug. 20, 2004 page 1 of 10