OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

M74HC245RM13TR

P1-P3P4-P6P7-P9P10-P10
M74HC245
4/10
AC ELECTRICAL CHARACTERISTICS (C
L
= 50 pF, Input t
r
= t
f
= 6ns)
CAPACITIVE CHARACTERISTICS
1) C
PD
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
CC(opr)
= C
PD
x V
CC
x f
IN
+ I
CC
/8 (per circuit)
Symbol Parameter
Test Condition Value
Unit
V
CC
(V)
C
L
(pF)
T
A
= 25°C
-40 to 85°C -55 to 125°C
Min. Typ. Max. Min. Max. Min. Max.
t
TLH
t
THL
Output Transition
Time
2.0
50
25 60 75 90
ns4.5 7121918
6.0 6101315
t
PLH
t
PHL
Propagation Delay
Time
2.0
50
33 90 115 135
ns4.5 12 18 23 27
6.0 10 15 20 23
2.0
150
48 120 150 180
ns4.5 16 24 30 36
6.0 14 20 26 31
t
PZL
t
PZH
High Impedance
Output Enable
Time
2.0
50
R
L
= 1 KΩ
48 150 190 225
ns4.5 16 30 38 45
6.0 14 26 32 38
2.0
150
R
L
= 1 KΩ
63 180 225 270
ns4.5 21 36 45 54
6.0 18 31 38 46
t
PLZ
t
PHZ
High Impedance
Output Disable
Time
2.0
50
R
L
= 1 KΩ
37 150 190 225
ns4.5 17 30 38 45
6.0 15 26 32 38
Symbol Parameter
Test Condition Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C -55 to 125°C
Min. Typ. Max. Min. Max. Min. Max.
C
IN
Input Capacitance
DIR, G
5101010pF
C
I/OUT
Output
Capacitance
An, Bn 13 pF
C
PD
Power Dissipation
Capacitance (note
1)
39 pF
M74HC245
5/10
TEST CIRCUIT
C
L
= 50pF/150pF or equivalent (includes jig and probe capacitance)
R
1
= 1KΩ or equivalent
R
T
= Z
OUT
of pulse generator (typically 50Ω)
WAVEFORM 1: PROPAGATION DELAY TIME (f=1MHz; 50% duty cycle)
TEST SWITCH
t
PLH
, t
PHL
Open
t
PZL
, t
PLZ
V
CC
t
PZH
, t
PHZ
GND
M74HC245
6/10
WAVEFORM 2 : OUTPUT ENABLE AND DISABLE TIME (f=1MHz; 50% duty cycle)
P1-P3P4-P6P7-P9P10-P10

M74HC245RM13TR

Mfr. #:
Buy M74HC245RM13TR
Manufacturer:
STMicroelectronics
Description:
Bus Transceivers Quad Bus Tranceiver
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet