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789124A PDF даташит

Спецификация 789124A изготовлена ​​​​«NEC» и имеет функцию, называемую «UPD789124A».

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Номер произв 789124A
Описание UPD789124A
Производители NEC
логотип NEC логотип 

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789124A Даташит, Описание, Даташиты
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User’s Manual
µPD789104A, 789114A, 789124A,
789134A Subseries
8-bit Single-chip Microcontrollers
µPD789101A
µPD789102A
µPD789104A
µPD789111A
µPD789112A
µPD789114A
µPD78F9116A
µPD789101A(A)
µPD789102A(A)
µPD789104A(A)
µPD789111A(A)
µPD789112A(A)
µPD789114A(A)
µPD7D8at9aS1h2ee1t4AU.com
µPD789122A
µPD789124A
µPD789131A
µPD789132A
µPD789134A
µPD78F9136A
µPD789121A(A)
µPD789122A(A)
µPD789124A(A)
µPD789131A(A)
µPD789132A(A)
µPD789134A(A)
Document No. U14643EJ1V0UM00 (1st edition)
Date Published June 2000 NS CP(K)
© 2000
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User’s Manual U14643EJ1V0UM00









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NOTES FOR CMOS DEVICES
1 PRECAUTION AGAINST ESD FOR SEMICONDUCTORS
Note:
Strong electric field, when exposed to a MOS device, can cause destruction of the gate oxide and
ultimately degrade the device operation. Steps must be taken to stop generation of static electricity
as much as possible, and quickly dissipate it once, when it has occurred. Environmental control
must be adequate. When it is dry, humidifier should be used. It is recommended to avoid using
insulators that easily build static electricity. Semiconductor devices must be stored and transported
in an anti-static container, static shielding bag or conductive material. All test and measurement
tools including work bench and floor should be grounded. The operator should be grounded using
wrist strap. Semiconductor devices must not be touched with bare hands. Similar precautions need
to be taken for PW boards with semiconductor devices on it.
2 HANDLING OF UNUSED INPUT PINS FOR CMOS
Note:
No connection for CMOS device inputs can be cause of malfunction. If no connection is provided
to the input pins, it is possible that an internal input level may be generated due to noise, etc., hence
causing malfunction. CMOS devices behave differently than Bipolar or NMOS devices. Input levels
of CMOS devices must be fixed high or low by using a pull-up or pull-down circuitry. Each unused
pin should be connected to VDD or GND with a resistor, if it is considered to have a possibility of
being an output pin. All handling related to the unused pins must be judged device by device and
related specifications governing the devices.
3 STATUS BEFORE INITIALIZATIODNaOtaFSMheOeSt4DUE.cVoICmES
Note:
Power-on does not necessarily define initial status of MOS device. Production process of MOS
does not define the initial operation status of the device. Immediately after the power source is
turned ON, the devices with reset function have not yet been initialized. Hence, power-on does
not guarantee out-pin levels, I/O settings or contents of registers. Device is not initialized until the
reset signal is received. Reset operation must be executed immediately after power-on for devices
having reset function.
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Solaris and SunOS are trademarks of Sun-Microsystems, Inc.
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TRON is an abbreviation of The Realtime Operating System Nucleus.
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User’s Manual U14643EJ1V0UM00
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Номер в каталогеОписаниеПроизводители
789124AUPD789124ANEC
NEC

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STMicroelectronics

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