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参数资料
| 型号： | IN74HCT244A |
| 厂商： | INTEGRAL JOINT STOCK COMPANY |
| 英文描述： | Octal Edge-Triggered D-Type Flip-Flops With 3-State Outputs 20-PDIP -40 to 85 |
| 中文描述： | 八路三态同相缓冲器/线路驱动器/线接收器 |
| 文件页数： | 4/6页 |
| 文件大小： | 65K |
| 代理商： | IN74HCT244A |
IN74HCT244A
4
INTEGRAL
AC ELECTRICAL CHARACTERISTICS
(V
CC
=5.0 V
±
10%, C
L
=50pF,Input t
r
=t
f
=6.0 ns)
Symbol
Parameter
Test Conditions
Guaranteed Limit
V
CC
25
°
C
to
-55
°
C
20
≤
85
°
C
≤
125
°
C
Unit
t
PLH
, t
PHL
Maximum Propagation Delay,
A to YA or B to YB (Figures
1 and 2)
V
CC
=5 V±10%
V
IL
=0 V
V
IH
=3 V
t
LH
=t
HL
=6 ns
C
L
=50 pF
5.0
25
30
ns
t
PLZ
, t
PHZ
Maximum Propagation Delay
, Output Enable to YA or YB
(Figures 1 and 2)
V
CC
=5 V±10%
V
IL
=0 V
V
IH
=3 V
t
LH
=t
HL
=6 ns
C
L
=50 pF
5.0
26
33
39
ns
t
PZL
, t
PZH
Maximum Propagation Delay
, Output Enable to YA or YB
(Figures 1 and 2)
V
CC
=5 V±10%
V
IL
=0 V
V
IH
=3 V
t
LH
=t
HL
=6 ns
C
L
=50 pF
5.0
22
28
33
ns
t
TLH
, t
THL
Maximum Output Transition
Time, Any Output (Figures 1
and 2)
V
CC
=5 V±10%
V
IL
=0 V
V
IH
=3 V
t
LH
=t
HL
=6 ns
C
L
=50 pF
5.0
12
15
18
ns
C
IN
Maximum Input Capacitance
V
CC
=5 V±10%
5.0
10
10
10
pF
C
OUT
Maximum Three-State Out-
put Capacitance (Output in
High-Impedance State)
V
CC
=5 V±10%
5.0
15
15
15
pF
Power Dissipation Capacitance (Per Enabled Output)
Typical @25
°
C,V
CC
=5.0 V
C
PD
Used to determine the no-load dynamic power consump-
tion:
P
D
=C
PD
V
CC
2
f+I
CC
V
CC
55
pF
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IN74HCT244ADW | 制造商:IKSEMICON 制造商全称:IK Semicon Co., Ltd 功能描述:Octal 3-State Noninverting Buffer/Line Driver/Line Receiver High-Performance Silicon-Gate CMOS |
| IN74HCT244AN | 制造商:IKSEMICON 制造商全称:IK Semicon Co., Ltd 功能描述:Octal 3-State Noninverting Buffer/Line Driver/Line Receiver High-Performance Silicon-Gate CMOS |
| IN74HCT244AZ | 制造商:INTEGRAL 制造商全称:INTEGRAL 功能描述:Octal 3-State Noninverting Buffer/Line Driver/Line Receiver |
| IN74HCT245A | 制造商:IKSEMICON 制造商全称:IK Semicon Co., Ltd 功能描述:Octal 3-State Noninverting Bus Transceiver High-Performance Silicon-Gate CMOS |
| IN74HCT245ADW | 制造商:IKSEMICON 制造商全称:IK Semicon Co., Ltd 功能描述:Octal 3-State Noninverting Bus Transceiver High-Performance Silicon-Gate CMOS |
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