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UPD78F9222. D78F9222 Datasheet

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UPD78F9222. D78F9222 Datasheet
















D78F9222 UPD78F9222. Datasheet pdf. Equivalent













Part

D78F9222

Description

UPD78F9222



Feature


www.DataSheet4U.com Preliminary User’ s Manual www.DataSheet4U.com 78K0S/KA 1+ 8-Bit Single-Chip Microcontrollers µPD78F9221 µPD78F9222 Document No. U 16898EJ1V0UD00 (1st edition) Date Publi shed November 2003 N CP(K) © Printed in Japan 2003 www.DataSheet4U.com [M EMO] www.DataSheet4U.com 2 Prelimina ry User’s Manual U16898EJ1V0UD www.D ataSheet4U.com NOTES FOR.
Manufacture

NEC Electronics

Datasheet
Download D78F9222 Datasheet


NEC Electronics D78F9222

D78F9222; CMOS DEVICES PRECAUTION AGAINST ESD FOR SEMICONDUCTORS Note: Strong electric f ield, when exposed to a MOS device, can cause destruction of the gate oxide an d ultimately degrade the device operati on. Steps must be taken to stop generat ion of static electricity as much as po ssible, and quickly dissipate it once, when it has occurred. Environmental con trol must be adequ.


NEC Electronics D78F9222

ate. When it is dry, humidifier should b e used. It is recommended to avoid usin g insulators that easily build static e lectricity. Semiconductor devices must be stored and transported in an anti-st atic container, static shielding bag or conductive material. All test and meas urement tools including work bench and floor should be grounded. The operator should be grounded.


NEC Electronics D78F9222

using wrist strap. Semiconductor device s must not be touched with bare hands. Similar precautions need 1 www.DataSh eet4U.com to be taken for PW boards wi th semiconductor devices on it. 2 HANDL ING OF UNUSED INPUT PINS FOR CMOS Note: No connection for CMOS device inputs c an be cause of malfunction. If no conne ction is provided to the input pins, it is possible that .





Part

D78F9222

Description

UPD78F9222



Feature


www.DataSheet4U.com Preliminary User’ s Manual www.DataSheet4U.com 78K0S/KA 1+ 8-Bit Single-Chip Microcontrollers µPD78F9221 µPD78F9222 Document No. U 16898EJ1V0UD00 (1st edition) Date Publi shed November 2003 N CP(K) © Printed in Japan 2003 www.DataSheet4U.com [M EMO] www.DataSheet4U.com 2 Prelimina ry User’s Manual U16898EJ1V0UD www.D ataSheet4U.com NOTES FOR.
Manufacture

NEC Electronics

Datasheet
Download D78F9222 Datasheet




 D78F9222
www.DataSheet4U.com
Preliminary User’s Manual
78K0S/KA1+www.DataSheet4U.com
8-Bit Single-Chip Microcontrollers
µPD78F9221
µPD78F9222
Document No. U16898EJ1V0UD00 (1st edition)
Date Published November 2003 N CP(K)
©
Printed in Japan
2003




 D78F9222
www.Da[tMaSEheMeOt4U] .com
www.DataSheet4U.com
2 Preliminary User’s Manual U16898EJ1V0UD




 D78F9222
www.DataSheet4U.com
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
www.DataSheet4U.com
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 INITIALIZATION OF MOS DEVICES
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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Preliminary User’s Manual U16898EJ1V0UD
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