m74hct245 STMicroelectronics, m74hct245 Datasheet - Page 2

• Manufacturer Part Number: m74hct245
• Description: Octal Bus Transceiver3-state Hct245 Non Inverting Hct640 Inverting, Hct643 Inverting/non Inverting
• Manufacturer: STMicroelectronics

M74HCT245
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X : Don’t Care
Z : High Impedance
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
(*) 500mW at 65 C; derate to 300mW by 10mW/ C from 65 C to 85 C
RECOMMENDED OPERATING CONDITIONS
2/9
I
CC
Symbol
Symbol
V
V
T
t
I
or I
V
V
T
P
I
T
r
V
OK
I
V
stg
, t
CC
IK
O
CC
op
O
O
D
L
I
I
f
GND
G
H
L
L
Supply Voltage
DC Input Voltage
DC Output Voltage
DC Input Diode Current
DC Output Diode Current
DC Output Current
DC V
Power Dissipation
Storage Temperature
Lead Temperature (10 sec)
Supply Voltage
Input Voltage
Output Voltage
Operating Temperature
Input Rise and Fall Time (V
CC
INPUTS
or Ground Current
DIR
H
X
L
Parameter
Parameter
CC
= 4.5 to 5.5V)
OUTPUT
A BUS
INPUT
Z
PIN DESCRIPTION
2, 3, 4, 5, 6,
18, 17, 16,
15, 14, 13,
FUNCTION
PIN No
7, 8, 9
12, 11
19
10
20
1
OUTPUT
SYMBOL
B BUS
A1 to A8
B1 to B8
INPUT
GND
V
DIR
Z
G
CC
-0.5 to V
-0.5 to V
-65 to +150
-55 to 125
-0.5 to +7
4.5 to 5.5
0 to V
0 to V
0 to 500
500(*)
Value
Value
Directional Control
Data Inputs/Outputs
Data Inputs/Outputs
Output Enable Input
Ground (0V)
Positive Supply Voltage
300
NAME AND FUNCTION
20
20
35
70
CC
CC
CC
CC
+ 0.5
+ 0.5
OUTPUT
A = B
B = A
Yn
Z
Unit
Unit
mW
mA
mA
mA
mA
°C
°C
°C
ns
V
V
V
V
V
V