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Z90255

PinoutSpecifications Symbol Parameters Min Max Units Notes VCC Power Supply Voltage -0.3 +7 V VI Input Voltage -0.3 VCC+0.3 V VO Output Voltage -0.3 VCC+0.3 V IOH Output Current - High -10 mA One pin IOH Output Current - High -100 mA Total, al...

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SeekIC No. : 004550479 Detail

Z90255: PinoutSpecifications Symbol Parameters Min Max Units Notes VCC Power Supply Voltage -0.3 +7 V VI Input Voltage -0.3 VCC+0.3 V VO Output Voltage -0.3 VCC+0.3 V ...

Z90255 Data Sheet

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Part Number:
Z90255
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



Pinout

Connection Diagram


Specifications

Symbol Parameters Min Max Units Notes
VCC Power Supply Voltage -0.3 +7 V  
VI Input Voltage -0.3 VCC+0.3 V  
VO Output Voltage -0.3 VCC+0.3 V  
IOH Output Current - High   -10 mA One pin
IOH Output Current - High   -100 mA Total, all pins
IOL Output Current - Low   20 mA One pin
IOL Output Current - Low   200 mA Total, all pins
TA Operating Temperature 0 70  
TSTG Storage Temperature -55 150  
A typical value is 25oC. Minimum and maximum values are 0oC and 70 respectively.


Description

The Z90255 and Z90251 are the ROM and OTP versions of a Television Controller with On-Screen Display (OSD) that contains 32 KB of program memory.

•The Z90251 is the one-time programmable (OTP) controller used to develop code or prototypes for specific television applications or initial limited
production. Program ROM and Character Generation ROM (CGROM) in the Z90251 are both programmable.

•TheZ90255 incorporates the ROM code developed by the customer with the Z90251. Customer code is masked into both program ROM and CGROM.

An application-specific controller designed to provide complete audio and video control of television receivers and video recorders, the Z90255 provides advanced OSD features. Figure 1 illustrates a typical TV system application using the Z90255. Figure 2 is a block diagram of the Z90255 architecture.




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