74ACT245B データシートの表示（PDF） - STMicroelectronics
部品番号
コンポーネント説明
一致するリスト
74ACT245B Datasheet PDF : 9 Pages
| |||
74ACT245
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
1
2, 3, 4, 5, 6,
7, 8, 9
18, 17, 16,
15, 14, 13,
12, 11
19
10
20
SYMBOL
DIR
A1 to A8
NAME AND FUNCTION
Directional Control
Data Inputs/Outputs
B1 to B8 Data Inputs/Outputs
G
GND
VCC
Output Enable Input
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
INPUTS
G
DIR
L
L
L
H
H
X
X : Don’t Care
Z : High Impedance
FUNCTION
A BUS
OUTPUT
INPUT
Z
B BUS
INPUT
OUTPUT
Z
OUTPUT
Yn
A=B
B=A
Z
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC Supply Voltage
-0.5 to +7
V
VI
DC Input Voltage
-0.5 to VCC + 0.5
V
VO
DC Output Voltage
-0.5 to VCC + 0.5
V
IIK
DC Input Diode Current
± 20
mA
IOK
DC Output Diode Current
± 20
mA
IO
DC Output Current
± 50
mA
ICC or IGND DC VCC or Ground Current
± 400
mA
Tstg Storage Temperature
-65 to +150
°C
TL
Lead Temperature (10 sec)
300
°C
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VCC Supply Voltage
VI
Input Voltage
VO
Output Voltage
Top
Operating Temperature
dt/dv Input Rise and Fall Time VCC = 4.5 to 5.5V (note 1)
1) VIN from 0.8V to 2.0V
Value
4.5 to 5.5
0 to VCC
0 to VCC
-55 to 125
8
Unit
V
V
V
°C
ns/V
2/9
Share Link: 