82C85 Datasheet, PDF (13/21 Pages) Intersil Corporation – CMOS Static Clock Controller/Generator

Timing Waveforms
EFI I
OSC 0
(1)
TEHEL
(3)
TELEL
TELEH
(2)
82C85
CLK 0
CLK50 0
PCLK 0
CSYNC I
(15)
TEHYL
(16)
TYHYL
(14)
TYLEH
(27)
(43)
TCLCH
(26)
TCHCL
TCLCL (25)
TCLC50L
(28)
T5CHCL
(37)
TCLPH
T5CLCH ⁽²⁹⁾
TCLPL
(38)
TPHPL
(32)
TPLPH
(33)
CLK AND CLK50
1.0V
(30) TCH1CH2
3.5V
TCL2CL1 (31)
FIGURE 7. WAVEFORMS FOR CLOCKS
NOTE: All Timing Measurements are made at 1.5V, Unless Otherwise Noted.
CLK
RDY1.2
AEN1.2
ASYNC
READY
(9)
TCLR1X
(7) TRIVCH
(12) TA1VR1V
(10)
TAYVCL
(13) TCLA1X
(8) TRILCL
(9)
TCLR1X
(11) TCLAYX
(35)
TRYHCH
(34) TRYLCL
FIGURE 8. WAVEFORMS FOR READY SIGNALS (FOR ASYNCHRONOUS DEVICES)
309