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HC161のメーカーはSystem Logic Semiconductorです、この部品の機能は「Presettable Counters」です。 |
部品番号 | HC161 |
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部品説明 | Presettable Counters | ||
メーカ | System Logic Semiconductor | ||
ロゴ | |||
このページの下部にプレビューとHC161ダウンロード(pdfファイル)リンクがあります。 Total 9 pages
SL74HC161
Presettable Counters
High-Performance Silicon-Gate CMOS
The SL74HC161 is identical in pinout to the LS/ALS161. The device
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LS/ALSTTL outputs.
The SL74HC161 is programmable 4-bit synchronous counter that
feature parallel Load, asynchronous Reset, a Carry Output for
cascading and count-enable controls.
The SL74HC161 is binary counter with asynchronous Reset.
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 µA
• High Noise Immunity Characteristic of CMOS Devices
LOGIC DIAGRAM
ORDERING INFORMATION
SL74HC161N Plastic
SL74HC161D SOIC
TA = -55° to 125° C for all packages
PIN ASSIGNMENT
PIN 16 =VCC
PIN 8 = GND
FUNCTION TABLE
Inputs
Outputs
Reset Load Enable Enable Clock Q0 Q1 Q2 Q3
PT
Function
LX
X
X
X L L L L Reset to “0”
HL
X
X
P0 P1 P2 P3 Preset Data
HH
X
L
No change
No count
HH
L
X
No change
No count
HH
H
H
Count up
Count
HX
X
X
No change
No count
X=don’t care
P0,P1,P2,P3 = logic level of Data inputs
Ripple Carry Out = Enable T • Q0 • Q1 • Q2 • Q3
SLS
System Logic
Semiconductor
1 Page SL74HC161
DC ELECTRICAL CHARACTERISTICS(Voltages Referenced to GND)
Symbol
Parameter
Test Conditions
VIH Minimum High-Level VOUT=0.1 V or VCC-0.1 V
Input Vo ltage
IOUT≤ 20 µA
VIL Maximum Low -Level VOUT=0.1 V or VCC-0.1 V
Input Voltage
IOUT ≤ 20 µA
VOH Minimum High-Level VIN=VIH or VIL
Output Voltage
IOUT ≤ 20 µA
VIN=VIH or VIL
IOUT ≤ 6.0 mA
IOUT ≤ 7.8 mA
VOL Maximum Low-Level VIN=VIH or VIL
Output Voltage
IOUT ≤ 20 µA
VIN=VIH or VIL
IOUT ≤ 6.0 mA
IOUT ≤ 7.8 mA
IIN Maximum Input
Leakage Current
VIN=VCC or GND
ICC Maximum Quiescent VIN=VCC or GND
Supply Current
IOUT=0µA
(per Package)
VCC Guaranteed Limit
V 25 °C ≤85 ≤125 Unit
to °C °C
-55°C
2.0 1.5 1.5 1.5
4.5 3.15 3.15 3.15
6.0 4.2 4.2 4.2
V
2.0 0.5 0.5 0.5
4.5 1.35 1.35 1.35
6.0 1.8 1.8 1.8
V
2.0 1.9
4.5 4.4
6.0 5.9
1.9 1.9
4.4 4.4
5.9 5.9
V
4.5 3.98 3.84 3.7
6.0 5.48 5.34 5.2
2.0 0.1
4.5 0.1
6.0 0.1
0.1 0.1
0.1 0.1
0.1 0.1
V
4.5 0.26 0.33 0.4
6.0 0.26 0.33 0.4
6.0 ±0.1 ±1.0 ±1.0 µA
6.0 4.0
40 160 µA
SLS
System Logic
Semiconductor
3Pages SL74HC161
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
Figure 3. Switching Waveforms
Figure 4. Switching Waveforms
Figure 5. Switching Waveforms
Figure 6. Test Circuit
SLS
System Logic
Semiconductor
6 Page | |||
ページ | 合計 : 9 ページ | ||
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PDF ダウンロード | [ HC161 データシート.PDF ] |
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