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CD54HC191 Datasheet(PDF) 14 Page - Texas Instruments

Part # CD54HC191
Description   SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL
PDF  34 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

CD54HC191 Datasheet(HTML) 14 Page - Texas Instruments

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CD54HC190, CD74HC190
CD54HC191, CD74HC191, CD54HCT191, CD74HCT191
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL
SCHS275E − MARCH 2002 − REVISED OCTOBER 2003
14
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
’HC190, ’HC191
switching characteristics over recommended operating free-air temperature range (unless
otherwise noted) (see Figure 4)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
VCC
TA = 25°C
TA = −55°C
TO 125
°C
TA = −40°C
TO 85
°C
UNIT
PARAMETER
(INPUT)
(OUTPUT)
CAPACITANCE
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
6
4
5
fmax
4.5 V
30
20
25
MHz
fmax
6 V
35
23
29
MHz
2 V
195
295
245
LOAD
Q
CL = 50 pF
4.5 V
39
59
49
LOAD
Q
CL = 50 pF
6 V
33
50
42
CL = 15 pF
5 V
16
2 V
175
265
220
A, B, C,
Q
CL = 50 pF
4.5 V
35
53
44
A, B, C,
or D
Q
CL = 50 pF
6 V
30
45
37
or D
CL = 15 pF
5 V
14
2 V
170
255
215
CLK
Q
CL = 50 pF
4.5 V
34
51
43
CLK
Q
CL = 50 pF
6 V
29
43
37
CL = 15 pF
5 V
14
2 V
125
190
155
CLK
RCO
CL = 50 pF
4.5 V
25
38
31
CLK
RCO
CL = 50 pF
6 V
21
32
26
tpd
CL = 15 pF
5 V
10
ns
tpd
2 V
210
315
265
ns
CLK
MAX/MIN
CL = 50 pF
4.5 V
42
63
53
CLK
MAX/MIN
CL = 50 pF
6 V
36
54
45
CL = 15 pF
5 V
18
2 V
150
225
190
D/U
RCO
CL = 50 pF
4.5 V
30
45
38
D/U
RCO
CL = 50 pF
6 V
26
38
33
CL = 15 pF
5 V
12
2 V
165
250
205
D/U
MAX/MIN
CL = 50 pF
4.5 V
33
50
41
D/U
MAX/MIN
CL = 50 pF
6 V
28
43
35
CL = 15 pF
5 V
13
2 V
125
190
155
CTEN
RCO
CL = 50 pF
4.5 V
25
38
31
CTEN
RCO
CL = 50 pF
6 V
21
32
26
CL = 15 pF
5 V
10
2 V
75
110
95
tt
Any
CL = 50 pF
4.5 V
15
22
19
ns
tt
Any
CL = 50 pF
6 V
13
19
16
ns



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