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參數(shù)資料
| 型號(hào)： | 74LS161 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | BCD DECADE COUNTERS/ 4-BIT BINARY COUNTERS |
| 中文描述： | BCD碼十年計(jì)數(shù)器/ 4位二進(jìn)制計(jì)數(shù)器 |
| 文件頁(yè)數(shù)： | 3/6頁(yè) |
| 文件大?。?/td> | 79K |
| 代理商： | 74LS161 |
5-3
FAST AND LS TTL DATA
SN54/74LS160A
SN54/74LS161A
SN54/74LS162A
SN54/74LS163A
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
Supply Voltage
54
74
4.5
4.75
5.0
5.0
5.5
5.25
V
TA
Operating Ambient Temperature Range
54
74
–55
0
25
25
125
70
°
C
IOH
IOL
Output Current — High
54, 74
–0.4
mA
Output Current — Low
54
74
4.0
8.0
mA
LS160A and LS161A
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(unless otherwise specified)
Symbol
b l
Parameter
Limits
U i
Unit
Test Conditions
di i
Min
Typ
Max
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
VIL
Input LOW Voltage
54
0.7
V
Guaranteed Input LOW Voltage for
All Inputs
74
0.8
VIK
Input Clamp Diode Voltage
–0.65
–1.5
V
VCC = MIN, IIN = –18 mA
VOH
Output HIGH Voltage
54
2.5
3.5
V
VCC = MIN, IOH = MAX, VIN
,OH
or VIL per Truth Table
74
2.7
3.5
V
IH
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
IOL = 4.0 mA
VCC = VCC MIN,
VIN= VILor VIH
VIN = VIL or VIH
per Truth Table
74
0.35
0.5
V
IOL = 8.0 mA
IIH
Input HIGH Current
MR, Data, CEP, Clock
PE, CET
20
40
μ
A
VCC = MAX, VIN = 2.7 V
MR, Data, CEP, Clock
PE, CET
0.1
0.2
mA
VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
MR, Data, CEP, Clock
PE, CET
–0.4
–0.8
mA
VCC = MAX, VIN = 0.4 V
IOS
Short Circuit Current (Note 1)
–20
–100
mA
VCC = MAX
ICC
Power Supply Current
Total, Output HIGH
Total, Output LOW
31
32
mA
VCC = MAX
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74LS161 | BCD DECADE COUNTERS/ 4-BIT BINARY COUNTERS |
| 74LS161 | Synchronous 4-Bit Binary Counters |
| 74LS161 | Synchronous 4 Bit Counters; Binary, Direct Reset |
| 74LS162 | Synchronous Decade Counters(synchronous clear) |
| 74LS162A | Synchronous Decade Counters(synchronous clear) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74LS161A WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74LS161ADC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74LS161AN | 制造商:SIGNETICS 功能描述:74LS161 N6E2B 制造商:NXP Semiconductors 功能描述: 制造商:Texas Instruments 功能描述: |
| 74LS161ANDS | 制造商:Motorola Inc 功能描述:Counter, Up, 4 Bit Binary, 16 Pin, Plastic, DIP |
| 74LS161APC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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