HCTL-2032 Datasheet, PDF (9/21 Pages) Agilent(Hewlett-Packard) – Quadrature Decoder/Counter Interface ICs

CLK
D_Fi0_g-_uD_r7_{e 1. Reset Waveform}
OLD
DATA
tDCD
tCLK
tCHH
tCD
DATA NOT STABLE
tCLH
NEW
DATA
tDCD
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
Figure 3. Tri-State Output Timing
tDOD
STABLE DATA
tODZ
NOT STABLE
HIGH ^- Z
CLK
tOS
tOH
OE
SEL2
SEL1
INTERNAL
INHIBIT
D0 -D7
HIGH -Z
tSH
tSS
tSDV
tSDV
tDSD
tSDV
tDSD
tSDV
tDSD
tDSD
HIGH - Z OR UNSTABLE DATA
MSB STABLE
3rd BYTE STABLE
2nd BYTE STABLE
LSB STABLE
Figure 4. Bus Control Timing