74VHC161N Fairchild Semiconductor, 74VHC161N Datasheet - Page 6

• Manufacturer Part Number: 74VHC161N
• Description: IC COUNTER BINARY 4BIT 16DIP
• Manufacturer: Fairchild Semiconductor
• Series: 74VHCr

Specifications of 74VHC161N

• Logic Type: Binary Counter
• Direction: Up
• Number Of Elements: 1
• Number Of Bits Per Element: 4
• Reset: Asynchronous
• Timing: Synchronous
• Count Rate: 125MHz
• Trigger Type: Positive Edge
• Voltage - Supply: 2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 16-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

©1993 Fairchild Semiconductor Corporation
74VHC161 Rev. 1.4
AC Electrical Characteristics
Note:
3. C
t
t
t
t
Symbol
PLH
PLH
PLH
PLH
current consumption without load. Average operating current can be obtained by the equation:
I
When the outputs drive a capacitive load, total current consumption is the sum of C
from the following formula:
C
CC
f
PD
Q0
t
t
C
C
MAX
PHL
PHL
, t
, t
, t
, t
PD
IN
(opr) = C
–C
is defined as the value of the internal equivalent capacitance which is calculated from the operating
PHL
PHL
PHL
PHL
Q3
and C
Propagation Delay
Time (CP–Q
Propagation Delay
Time (CP–TC, Count)
Propagation Delay
Time (CP–TC, Load)
Propagation Delay
Time (CET–TC)
Propagation Delay
Time (MR –Q
Propagation Delay
Time (MR –TC)
Maximum Clock
Frequency
Input Capacitance
Power Dissipation
Capacitance
PD
• V
TC
Parameter
CC
are the capacitances at Q0–Q3 and TC, respectively. F
• f
n
IN
)
n
)
+ I
CC
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
V
CC
(V)
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
V
(3)
Conditions
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
CC
= 15pF
= 50pF
= 15pF
= 50pF
= 15pF
= 50pF
= 15pF
= 50pF
= 15pF
= 50pF
= 15pF
= 50pF
= 15pF
= 50pF
= 15pF
= 50pF
= 15pF
= 50pF
= 15pF
= 50pF
= 15pF
= 50pF
= 15pF
= 50pF
= 15pF
= 50pF
= 15pF
= 50pF
= Open
6
Min.
135
80
55
95
T
A
CP
Typ.
10.8
11.2
11.0
13.5
10.5
11.2
10.9
= 25°C
130
185
125
8.3
4.9
6.4
8.7
4.9
6.4
6.2
7.7
7.5
4.9
6.4
8.9
5.5
7.0
8.4
5.0
6.5
85
23
is the input frequency of the CP.
4
PD
Max.
12.8
16.3
10.1
13.6
17.1
10.1
17.2
20.7
10.3
12.3
12.3
15.8
10.1
13.6
17.1
11.0
13.2
16.7
10.6
8.1
8.1
8.1
9.0
8.6
10
, and ∆I
T
Min.
115
A
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
CC
70
50
85
= –40° to
+85°C
which is obtained
Max.
15.0
18.5
11.5
16.0
19.5
11.5
20.0
23.5
12.0
14.0
14.5
18.0
11.5
16.0
19.5
10.5
12.5
15.5
19.0
10.0
12.0
9.5
9.5
9.5
10
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Units
MHz
MHz
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns