82C84A_05 Datasheet, PDF (2/11 Pages) Intersil Corporation – CMOS Clock Generator Driver

Functional Diagram
82C84A
11
RES
17
X1
X2 ¹⁶
13
F/C
EF1 ¹⁴
1
CSYNC
4
RDY1
AEN1 ³
RDY2 ⁶
7
AEN2
15
ASYNC
XTAL
OSCILLATOR
÷3
SYNC
CK
D
Q
FF1
D
10
Q
RESET
CK
12
OSC
÷2
SYNC
2
PCLK
8
CLK
CK
5
D
Q READY
FF2
CONTROL PIN
F/C
RES
RDY1, RDY2
AEN1, AEN2
ASYNC
LOGICAL 1
External Clock
Normal
Bus Ready
Address Disabled
1 Stage Ready
Synchronization
LOGICAL 0
Crystal Drive
Reset
Bus Not Ready
Address Enable
2 Stage Ready
Synchronization
2
FN2974.3
December 6, 2005