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参数资料
| 型号： | SN74LS90DR2 |
| 厂商： | MOTOROLA INC |
| 元件分类： | 计数器 |
| 英文描述： | LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP DECADE COUNTER, PDSO14 |
| 封装： | SOIC-14 |
| 文件页数： | 5/6页 |
| 文件大小： | 80K |
| 代理商： | SN74LS90DR2 |
5-5
FAST AND LS TTL DATA
SN54/74LS90
SN54/74LS92 SN54/74LS93
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
Supply Voltage
54
74
4.5
4.75
5.0
5.5
5.25
V
TA
Operating Ambient Temperature Range
54
74
–55
0
25
125
70
°C
IOH
Output Current — High
54, 74
– 0.4
mA
IOL
Output Current — Low
54
74
4.0
8.0
mA
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Sb l
P
Limits
Ui
T
C
di i
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
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
VIL
Input LOW Voltage
74
0.8
V
pg
All Inputs
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 = VIH
VOH
Output HIGH Voltage
74
2.7
3.5
V
CC
, OH
,
IN
IH
or VIL per Truth Table
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
IOL = 4.0 mA
VCC = VCC MIN,
VIN =VIL or VIH
VOL
Output LOW Voltage
74
0.35
0.5
V
IOL = 8.0 mA
VIN = VIL or VIH
per Truth Table
IIH
Input HIGH Current
20
A
VCC = MAX, VIN = 2.7 V
IIH
Input HIGH Current
0.1
mA
VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
MS, MR
CP0
CP1 (LS90, LS92)
CP1 (LS93)
– 0.4
– 2.4
– 3.2
– 1.6
mA
VCC = MAX, VIN = 0.4 V
IOS
Short Circuit Current (Note 1)
–20
–100
mA
VCC = MAX
ICC
Power Supply Current
15
mA
VCC = MAX
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74LS90DRE4 | 功能描述:计数器 IC DECADE COUNTER RoHS:否 制造商:NXP Semiconductors 计数器类型:Binary Counters 逻辑系列:74LV 位数:10 计数法: 计数顺序: 工作电源电压:1 V to 5.5 V 工作温度范围:- 40 C to + 125 C 封装 / 箱体:SOT-109 封装:Reel |
| SN74LS90DRG4 | 功能描述:计数器 IC Decade Counter RoHS:否 制造商:NXP Semiconductors 计数器类型:Binary Counters 逻辑系列:74LV 位数:10 计数法: 计数顺序: 工作电源电压:1 V to 5.5 V 工作温度范围:- 40 C to + 125 C 封装 / 箱体:SOT-109 封装:Reel |
| SN74LS90N | 功能描述:计数器 IC DECADE COUNTER RoHS:否 制造商:NXP Semiconductors 计数器类型:Binary Counters 逻辑系列:74LV 位数:10 计数法: 计数顺序: 工作电源电压:1 V to 5.5 V 工作温度范围:- 40 C to + 125 C 封装 / 箱体:SOT-109 封装:Reel |
| SN74LS90N | 制造商:Texas Instruments 功能描述:Counter / Multiplier / Divider Logic IC |
| SN74LS90NE4 | 功能描述:计数器 IC DECADE COUNTER RoHS:否 制造商:NXP Semiconductors 计数器类型:Binary Counters 逻辑系列:74LV 位数:10 计数法: 计数顺序: 工作电源电压:1 V to 5.5 V 工作温度范围:- 40 C to + 125 C 封装 / 箱体:SOT-109 封装:Reel |
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