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TIB82S167BC Datasheet, PDF (6/11 Pages) Texas Instruments – 14 × 48 × 6 FIELD-PROGRAMMABLE LOGIC SEQUENCER WITH 3-STATE OUTPUTS OR PRESET
TIB82S167BC
14 × 48 × 6 FIELD-PROGRAMMABLE LOGIC SEQUENCER
WITH 3-STATE OUTPUTS OR PRESET
SRPS026A – D2896, JANUARY 1985 – REVISED NOVEMBBER 1995
diagnostics
A diagnostics mode is provided with these devices that allows the user to inspect the contents of the state
register. When I0 is held at 10 V, the state register bits P2 – P7 will appear at the Q0 – Q3 and P0 – P1 outputs.
The contents of the output registers, Q0 – Q3, P0 – P1 remain unchanged.
VIH
I1 – I13
VIL
I0
CLK
Internal
State Register
P2 – P7
Q0 – Q3, P0 – P1
tsu
PS
th
tw
Qn
tpd
NS
tpd
Qn + 1
8V
tpd
NS
10 V
VIH
VIL
VIH
VIL
VOH
VOL
VOH
Qn + 1
VOL
Optional
OE
0V
PS = Present State, NS = Next State
Figure 1. Diagnostic Waveforms
6
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