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HCF40193BC1 数据表(PDF) 7 Page - STMicroelectronics

部件名 HCF40193BC1
功能描述  PRESETTABLE UP/DOWN COUNTERS (DUAL CLOCK WITH RESET) 40192B BCD TYPE 40193B BINARY TYPE
PDF  15 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

HCF40193BC1 数据表(HTML) 7 Page - STMicroelectronics

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DYNAMIC ELECTRICAL CHARACTERISTICS (T amb =25°C, CL = 50pF, RL = 200kΩ,
typical temperature coefficient for all VDD values is 0.3%/°C, all input rise and fall time = 20ns)
Test Conditions
Val ue
Symbol
Parameter
V DD (V) Min.
Typ.
Max.
Unit
t PHL,
t PL H
Propagation Delay Time
Clock Up or Clock Down to Q
Reset to Q
5250
500
ns
10
120
240
15
90
180
PE to Q
5
200
400
ns
10
100
200
15
70
140
Clock Up to Carry
Clock Down to Borrow
5160
320
ns
10
80
160
15
60
120
Reset or PR to Borrow or Carry
5
300
600
ns
10
150
300
15
110
220
t THL,
t TLH
Transition Time
5
100
200
ns
10
50
100
15
40
80
t re m*
Removal Time
Reset or PE
580
40
ns
10
40
20
15
30
15
t W
Clock Input Pulse Width
Reset
5
480
240
ns
10
300
150
15
260
130
PE
5
120
240
ns
10
85
170
15
70
140
Clock
5
90
180
ns
10
45
90
15
30
60
t r,tf
Clock Input Rise or Fall Time
5
15
µs
10
15
15
5
f CL
Maximum Clock Input Frequency
5
2
4
MHz
10
5
8
15
5.5
11
* The time required for Reset or Preset Enable control to be removed before clocking (see timing diagram).
HCC/HCF40192B/193B
7/15



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