Intel 210200-002 manual 8284A Clock Generator and Driver for iAPX 86, 88 Processors

8284A

CLOCK GENERATOR AND DRIVER FOR iAPX 86, 88 PROCESSORS

•Generates the System clock for the iA,PX 86,88 Processors

•Uses a Crystal or a TTL Signal for Frequency Source

•Provides Local READY and Multibus™ READY Synchronization

•18·PinPackage

•Single +5V Power Supply

•Generates System Reset Output from Schmitt Trigger Input

•Capable of Clock Synchronization with Other 8284As

RES--------------------------~ 0			D
				RESET
X1 ---- I
XTAl
OSCillATOR
X2 ---- I				OSC
F/C ----------1--1~--...._
		+3		PClK
EFI -----------------l....J				RDY1
CSYNC ----------------------------...----H------'				READY	EFI
RDY1					F/C
					OSC
				ClK
					RES
					RESET
RDY2 -- n -	CKt
AEN2 ---(>oJ ---.-
	D	Q		READY
	FF1
ASYNC----------------------~
					Figure 2.
Figure 1. 8284A Block Diagram				8284A Pin Configuration

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