- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄370132 > 74LS28 (Motorola, Inc.) QUAD 2-INPUT NOR BUFFER PDF資料下載
參數(shù)資料
| 型號： | 74LS28 |
| 廠商： | Motorola, Inc. |
| 英文描述： | QUAD 2-INPUT NOR BUFFER |
| 中文描述： | 四2輸入或非緩沖 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大?。?/td> | 121K |
| 代理商： | 74LS28 |
5-76
FAST AND LS TTL DATA
SN54/74LS28
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(unless otherwise specified)
Symbol
Parameter
Limits
Unit
Test Conditions
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
or VIL per Truth Table
74
2.7
3.5
V
VCC = MIN, IOH = MAX, VIN = VIH
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
IOL = 12 mA
VCC = VCC MIN,
per Truth Table
74
0.35
0.5
V
IOL = 24 mA
VIN = VIL or VIH
IIH
Input HIGH Current
20
μ
A
VCC = MAX, VIN = 2.7 V
VCC = MAX, VIN = 7.0 V
VCC = MAX, VIN = 0.4 V
VCC = MAX
0.1
mA
IIL
IOS
Input LOW Current
–0.4
mA
Short Circuit Current (Note 1)
–30
–130
mA
ICC
Power Supply Current
Total, Output HIGH
3.6
mA
VCC = MAX
Total, Output LOW
13.8
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS
(TA = 25
°
C)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
tPLH
tPHL
Propagation Delay
12
24
ns
CL = 45 pF, RL = 667
Propagation Delay
12
24
ns
VCC = 5.0 V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74LS33 | QUAD 2-INPUT NOR BUFFER |
| 74LS33 | Quad 2-Input NOR Buffer with Open-Collector Outputs |
| 74LS348 | 8-INPUT PRIORITY ENCODERS WITH 3-STATE OUTPUTS |
| 74LS848 | 8-INPUT PRIORITY ENCODERS WITH 3-STATE OUTPUTS |
| 74LS352 | Dual 4-Line to 1-Line Data Selectors/Multiplexers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74LS28 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74LS280 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:9-BIT ODD/EVEN PARITY GENERATORS/CHECKERS |
| 74LS280N | 制造商:Motorola Inc 功能描述: |
| 74LS283 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:4-Bit Binary Adders with Fast Carry |
| 74LS283DC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Binary Adder |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。