A83C452 查看數據表（PDF） - Intel

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A83C452

UPI-452 CHMOS PROGRAMMABLE I/O PROCESSOR

Intel 

HLD HLDA WAVEFORMS

Arbiter Mode

Requestor Mode

UPI-452

231428 – 26

231428 – 31

HLD HLDA TIMINGS

Test Conditions TA e 0 C to a70 C VCC e 5V g10% VSS e 0V Load Capacitance e 80 pF

Symbol

Parameter

14 MHz Osc

Min Max

Variable Oscillator

Min

Max

Units

THMIN

HLD Pulse Width

386

4TCLCLa100

ns

THLAL

HLD to HLDA Delay if

HLDA is Granted

186

672

4TCLCLb100

8TCLCLa100

ns

THHAH HLD to HLDA Delay

186 672 4TCLCLb100 8TCLCLa100

ns

TAMIN

HLDA Pulse Width

386

4TCLCLa100

ns

TAHHL

HLDA Inactive to

HLD Active

186

4TCLCLb100

ns

51

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