54f191 National Semiconductor Corporation, 54f191 Datasheet - Page 3
54f191
Manufacturer Part Number
54f191
Description
Up/down Binary Counter With Preset Ripple Clock
Manufacturer
National Semiconductor Corporation
Datasheet
1.54F191.pdf
(10 pages)
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Logic Diagram
TL F 9495 – 5
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays
TL F 9495 – 6
FIGURE 1 n-Stage Counter Using Ripple Clock
TL F 9495 – 7
FIGURE 2 Synchronous n-Stage Counter Using Ripple Carry Borrow
TL F 9495 – 8
FIGURE 3 Synchronous n-Stage Counter with Gated Carry Borrow
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