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Regarding the change of names mentioned in the document, such as Hitachi
Electric and Hitachi XX, to Renesas Technology Corp.
The semiconductor operations of Mitsubishi Electric and Hitachi were transferred to Renesas
Technology Corporation on April 1st 2003. These operations include microcomputer, logic, analog
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Renesas Technology Home Page: http://www.renesas.com
Renesas Technology Corp.
Customer Support Dept.
April 1, 2003
Cautions
Keep safety first in your circuit designs!
1. Renesas Technology Corporation puts the maximum effort into making semiconductor products better
and more reliable, but there is always the possibility that trouble may occur with them. Trouble with
semiconductors may lead to personal injury, fire or property damage.
Remember to give due consideration to safety when making your circuit designs, with appropriate
measures such as (i) placement of substitutive, auxiliary circuits, (ii) use of nonflammable material or
(iii) prevention against any malfunction or mishap.
Notes regarding these materials
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contained therein.
HD151015
9 bit Level Shifter/Transceiver With 3 State Outputs
ADE-205-039C (Z)
3rd. Edition
Jun. 1993
Description
The HD151015 is an IC which consists of 9 bus transceivers (three state output) in a 24 pin package.
Signals are transmitter from A to B when the direction control input (DiR) is at a high level, and from B to
A when DiR is at a low level. When the enable input (G) is high, A and B are isolated. And this product
has two terminals (V
CCA
, V
CCB
), V
CCA
is connected with control input and A bus side, V
CCB
is connected
with B bus side. V
CCA
and V
CCB
are isolated. Consequently, it is best to change the level in case of two
supply voltage coexist on one board and application of power management.
Features
•
This product function as level shift transceiver that change V
CCA
input level to V
CCB
output level, V
CCB
input level to VCCA output level by providing different supply voltages 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 (G) : High level)
•
Inputs and outputs are CMOS level, and the power dissipation is the same as CMOS standard logic.
•
Wide operating supply voltage range:
V
CCA
= V
CCB
= 2 to 6 V (V
CCB
≥
V
CCA
– 0.5 V)
•
Wide operating temperature range: Ta = –40 to 85°C
MCU
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