HCTL-2032 Datasheet, PDF (8/20 Pages) Agilent(Hewlett-Packard) – Quadrature Decoder/Counter Interface ICs

RSTX / RSTY
Figure 1. Reset Waveform
t RST
CLK
D0-D7
OLD
DATA
tDCD
tCLK
tCHH
tCD
DATA NOT STABLE
Figure 2: Waveforms for Positive Clock Edge Related Delays
tCLH
NEW
DATA
tDCD
OE
D0 -D7 HIGH - Z
tODE
NOT STABLE
tDOD
STABLE DATA
tODZ
NOT STABLE
HIGH ^- Z
Figure 3: Tri-State Output Timing
CLK
tOS
tOH
OE
SEL2
SEL1
INTERNAL
INHIBIT
D0 -D7
HIGH -Z
tSH
tSS
tSDV
tSDV
tSDV
tSDV
tDSD
tDSD
tDSD
tDSD
HIGH - Z OR UNSTABLE DATA
MSB STABLE
3rd BYTE STABLE
2nd BYTE STABLE
LSB STABLE
Figure 4: Bus Control Timing
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