參數(shù)資料
型號： MB90523PFV
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 16-bit Proprietary Microcontroller
中文描述： 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP120
封裝： PLASTIC, QFP-120
文件頁數(shù)： 17/106頁
文件大?。?/td> 1539K
代理商： MB90523PFV
MB90520 Series
17
I
HANDLING DEVICES
1. Ensuring that the Voltage does not exceed the Maximum Rating (to Avoid a Latch-up).
In CMOS ICs, a latch-up phenomenon is caused when a voltage exceeding VCC or below VSS is applied to
input or output pins or if a voltage exceeding the rating is applied across VCC and VSS.
When a latch-up is caused, the power supply current may be dramatically increased, resulting in thermal
breakdown of devices. To avoid the latch-up, make sure that the voltage does not exceed the maximum rating.
In turning on/turning off the analog power supply, make sure the analog power voltages (AVCC, AVRH, DVCC)
and analog input voltages do not exceed the digital voltage (V
CC
).
And also make sure the voltages applied to the LCD power supply pins (V3 to V0) do not exceed the power
supply voltage (V
CC
).
2. Handling Unused Pins
Unused input pins left open may cause abnormal operation, or latch-up leading to permanent damage. Unused
input pins should be pulled-up or pull-down through at least 2 k
resistance.
Unused input/output pins may be left open in output state, but if such pins are in input state they should be
handled in the same way as input pins.
3. Notes on Using External Clock
In using the external clock, drive X0 pin only and leave X1 pin unconnected.
Using external clock
4. Unused Sub Clock Mode
If sub clock modes are not used, the oscillator should be connected to the X0A pin and X1A pin.
5. Power Supply Pins
In products with multiple V
cc
or V
ss
pins, pins with the same potential are internally connected in the device to
avoid abnormal operations including latch-ups. However, the pins should be connected to external powers and
ground lines to lower the electro-magnetic emission level, to prevent abnormal operation of strobe signals caused
by the rise in the ground level, and to conform to the total current rating.
Make sure to connect V
cc
and V
ss
pins via lowest impedance to power lines.
It is recommended that a bypass capacitor of around 0.1
μ
F be placed between the V
cc
and V
ss
pins near the
device.
X0
X1
Open
MB90520 series
相關(guān)PDF資料
PDF描述
MB90V590A 16-bit Proprietary Microcontroller
MB90591 Circular Connector; MIL SPEC:MIL-C-26482, Series I, Solder; Body Material:Aluminum; Series:PT06; No. of Contacts:26; Connector Shell Size:16; Connecting Termination:Solder; Circular Shell Style:Straight Plug; Gender:Female
MB90591GPF Circular Connector; No. of Contacts:26; Series:; Body Material:Aluminum; Connecting Termination:Solder; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-26
MB90591PF Circular Connector; MIL SPEC:MIL-C-26482, Series I, Solder; Body Material:Aluminum; Series:PT06; No. of Contacts:26; Connector Shell Size:16; Connecting Termination:Solder; Circular Shell Style:Straight Plug; Body Style:Straight
MB90594GPF 16-bit Proprietary Microcontroller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB90540 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
MB90540G 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
MB90543G 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
MB90543GPF 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
MB90543GPFV 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
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