參數(shù)資料
型號: Z9025900ZEM
英文描述: SCR Thyristor; SCR Type:Standard Gate; Peak Repetitive Off-State Voltage, Vdrm:600V; On-State RMS Current, IT(rms):35A; Peak Non Repetitive Surge Current, Itsm:500A; Gate Trigger Current Max, Igt:40uA
中文描述: 消費(fèi)性IC
文件頁數(shù): 16/30頁
文件大?。?/td> 938K
代理商: Z9025900ZEM
Z90255 ROM and Z90251 OTP
32 KB Television Controller with OSD
PS001300-TVC1099
Preliminary
16
V
BLANK
Video Blank
CMOS output, programmable polarity. This pin is
used as a super-impose control port to display
characters from video RAM. The signal controls Y-
signal output of CRTs and turns off the incoming
video display while the characters in video RAM are
super-imposed on the screen. The output ports of
color data directly drive three electron guns on the
CRT; at the same time VBLANK output turns off the Y
signal.
V
CC
V
SYNC
XTAL1, XTAL2
Power Supply
Power supply
Vertical Sync
Input pin for external vertical synchronization signal.
Time-Based
Input
Output
These pins connect to the internal parallel-resonant
clock crystal oscillator circuit with two capacitors to
GND. XTAL1 can be used as an external clock input.
Table 2
Single-Purpose Pin Descriptions
Acronym
Pin Name(s)
Description
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