- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄369315 > 74LS245 (Fairchild Semiconductor Corporation) 3-STATE Octal Bus Transceiver PDF資料下載
參數(shù)資料
| 型號： | 74LS245 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 3-STATE Octal Bus Transceiver |
| 中文描述： | 三態(tài)八路總線收發(fā)器 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大小： | 102K |
| 代理商： | 74LS245 |
SN74LS245
http://onsemi.com
2
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(unless otherwise specified)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
V
IH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
V
IL
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage for
All Inputs
V
T+
–V
T–
Hysteresis
0.2
0.4
V
V
CC
= MIN
V
IK
Input Clamp Diode Voltage
–0.65
–1.5
V
V
CC
= MIN, I
IN
= –18 mA
V
OH
Output HIGH Voltage
2.4
3.4
V
V
CC
= MIN, I
OH
= –3.0 mA
2.0
V
V
CC
= MIN, I
OH
= MAX
V
OL
Output LOW Voltage
0.25
0.4
V
I
OL
= 12 mA
V
CC
= V
CC
MIN,
V
IN
= V
IL
or V
IH
per Truth Table
0.35
0.5
V
I
OL
= 24 mA
I
OZH
Output Off Current HIGH
20
μ
A
V
CC
= MAX, V
OUT
= 2.7 V
I
OZL
Output Off Current LOW
–200
μ
A
V
CC
= MAX, V
OUT
= 0.4 V
I
IH
Input HIGH Current
A or B, DR or
E
20
μ
A
V
CC
= MAX, V
IN
= 2.7 V
DR or E
0.1
mA
V
CC
= MAX, V
IN
= 7.0 V
A or B
0.1
mA
V
CC
= MAX, V
IN
= 5.5 V
I
IL
Input LOW Current
–0.2
mA
V
CC
= MAX, V
IN
= 0.4 V
I
OS
Output Short Circuit Current (Note 1)
–40
–225
mA
V
CC
= MAX
I
CC
Power Supply Current
Total, Output HIGH
70
V
CC
= MAX
Total, Output LOW
90
mA
Total at HIGH Z
95
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS
(T
A
= 25
°
C, V
CC
= 5.0 V, T
RISE
/T
FALL
≤
6.0 ns)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
t
PLH
t
PHL
Propagation Delay, Data to Output
8.0
8.0
12
12
ns
= 45 pF,
C
L
= 45 F,
R
L
= 667
t
PZH
Output Enable Time to HIGH Level
25
40
ns
t
PZL
Output Enable Time to LOW Level
27
40
ns
t
PLZ
Output Disable Time from LOW Level
15
25
ns
C
= 5.0 pF,
L
R
L
= 667
t
PHZ
Output Disable Time from HIGH Level
15
25
ns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74LS247 | 8CD-to-Seven-Segment Decoders/Drivers(with 15V outputs) |
| 74LS247 | BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS |
| 74LS247 | LOW POWER SCHOTTKY |
| 74LS251 | 1 of 8 Data Selectors/Multiplexers(with strobe and three-state outputs) |
| 74LS251 | DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74LS245 WAF | 制造商:Texas Instruments 功能描述: |
| 74LS245D | 制造商: 功能描述: 制造商:undefined 功能描述: 制造商:North American Philips Discrete Products Div 功能描述:74LS245D 制造商:Texas Instruments 功能描述:74LS245D |
| 74LS245DC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Bus Transceiver |
| 74LS245N | 制造商:NXP Semiconductors 功能描述:74LS245N |
| 74LS245PC | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:F/C 功能描述: 制造商:Freescale Semiconductor 功能描述: 制造商:FAIR85+ 功能描述:Bus Transceiver, Single, 8 Bit, 20 Pin, Plastic, DIP 制造商:Fairchild Semiconductor Corporation 功能描述:Bus Transceiver, Single, 8 Bit, 20 Pin, Plastic, DIP 制造商:Texas Instruments 功能描述: |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。