M74HC244M1R STMicroelectronics, M74HC244M1R Datasheet - Page 4

• Manufacturer Part Number: M74HC244M1R
• Description: Buffers & Line Drivers Octal Bus Buffer
• Manufacturer: STMicroelectronics

Specifications of M74HC244M1R

• Product Category: Buffers & Line Drivers
• Number Of Input Lines: 8
• Number Of Output Lines: 3
• Polarity: Non-Inverting
• Supply Voltage - Max: 6 V
• Supply Voltage - Min: 2 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: SOP-16
• High Level Output Current: - 7.8 mA
• Logic Family: HC
• Logic Type: CMOS
• Low Level Output Current: 7.8 mA
• Maximum Power Dissipation: 500 mW
• Minimum Operating Temperature: - 55 C
• Number Of Channels Per Chip: 8
• Output Type: 3-State
• Propagation Delay Time: 130 ns at 2 V, 26 ns at 4.5 V, 22 ns at 6 V
• Factory Pack Quantity: 40

M74HC244
AC ELECTRICAL CHARACTERISTICS (C
CAPACITIVE CHARACTERISTICS
1) C
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
4/10
t
t
t
t
Symbol
Symbol
TLH
PLH
PZL
PLZ
C
C
PD
C
OUT
PD
IN
t
t
t
t
PZH
PHZ
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
THL
PHL
Output Transition
Time
Propagation Delay
Time
High Impedance
Output Enable
Time
High Impedance
Output Disable
Time
Input Capacitance
Output
Capacitance
Power Dissipation
Capacitance (note
1)
Parameter
Parameter
V
V
(V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
(V)
5.0
5.0
5.0
CC
CC
Test Conditions
Test Condition
(pF)
150
150
C
50
50
50
50
L
R
R
R
L
L
L
L
= 1 K
= 1 K
= 1 K
= 50 pF, Input t
Min.
Min.
T
T
A
A
r
Typ.
Typ.
= 25°C
= 25°C
25
36
12
10
51
17
14
48
16
14
63
21
18
32
15
14
10
33
= t
7
6
5
f
= 6ns)
Max.
Max.
130
125
165
125
60
12
10
90
18
15
26
22
25
21
33
28
25
21
10
CC(opr)
Value
Value
-40 to 85°C
Min.
-40 to 85°C
Min.
= C
Max.
Max.
PD
115
165
155
205
155
75
19
13
23
20
33
28
31
25
41
35
31
26
10
x V
CC
-55 to 125°C
-55 to 125°C
Min.
Min.
x f
IN
+ I
CC
Max.
Max.
135
195
190
250
190
90
18
15
27
23
39
33
38
32
50
43
38
32
10
/8 (per circuit)
Unit
Unit
pF
pF
pF
ns
ns
ns
ns
ns
ns