參數(shù)資料
型號(hào): HCF4536B
廠商: 意法半導(dǎo)體
英文描述: Octal Buffers Drivers With 3-State Outputs 20-CDIP -55 to 125
中文描述: 可編程定時(shí)器
文件頁(yè)數(shù): 12/17頁(yè)
文件大小: 351K
代理商: HCF4536B
Functional Test Sequence
Outputs
Decade Out
Q1 Thru Q24
0
0
Inputs
Comments
In1
Set
Reset
8-Bypass
All 24 steps are in reset mode.
1
1
0
1
1
1
1
1
Counter is in three 8-stage section in parallel
mode.
First ”1” to ”0” Transition of Clock
0
1
0
0
1
1
1
0
1
1
1
255 ”1” to ”0” transitions are clocked in the
counter.
1
1
1
1
The 255 ”1” to ”0” Transition
Counter converted back to 24 stages in series
mode.
Set and Reset must be connected together and
simultaneoulsy go from ”1” to ”0”.
In
1
switches to a ”1”.
Counter Ripples from an all ”1” state to an all ”0”
state.
0
0
0
0
1
1
0
0
0
0
0
0
0
1
0
Input Voltage.
QuiescentDevice Current.
TEST CIRCUITS
FUNCTIONAL TEST SEQUENCE
TestFunction has beenincluded forthe reduction of
test time required to exercise all 24 counter stages.
This test function divides the counter into three 8-
stage section and 255 counts are loaded in each of
the 8-stage sectionsin parallel. All flip-flops arenow
at a ”1”. The counter is now returned to the normal
24-steps in series configuration. One more pulse is
enteredintoIn
1
whichwillcausethecounter toripple
from an all ”1” stateto an all ”0” state.
HCC/HCF4536B
12/17
相關(guān)PDF資料
PDF描述
HCF4536BEY Octal Buffers Drivers With 3-State Outputs 20-CFP -55 to 125
HCF4536BC1 PROGRAMMABLE TIMER
HCC4538BF Quadruple 2-Input Exclusive-OR Gates 14-CDIP -55 to 125
HCF4538BC1 DUAL MONOSTABLE MULTIVIBRATOR
HCC4538 DUAL MONOSTABLE MULTIVIBRATOR
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