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参数资料
| 型号： | HD74BC244A |
| 厂商： | Hitachi,Ltd. |
| 英文描述： | Octal Buffers/Line Drivers With 3 State Outputs(三态输出的八缓冲器/线驱动器) |
| 中文描述： | 八路缓冲器/线路驱动器，三态输出（三态输出的八缓冲器/线驱动器） |
| 文件页数： | 5/8页 |
| 文件大小： | 38K |
| 代理商： | HD74BC244A |
HD74BC244A
5
Switching Test Method
(C
L
= 50 pF)
Ta = 25
°
C
V
CC
= 5.0 V
Min
Ta = –40 to 85
°
C
V
CC
= 5.0 V
±
10%
Min
Item
Symbol
Max
Max
Unit
Test Conditions
Propagation delay time
t
PLH
t
PHL
t
ZH
t
ZL
t
HZ
t
LZ
C
IN
C
O
3.0
6.0
3.0
7.0
ns
See under figure
3.0
6.0
3.0
7.0
Output enable time
3.0
8.0
3.0
10.0
ns
3.0
8.0
3.0
10.0
Output disable time
3.0
7.0
3.0
9.0
ns
3.0
7.0
3.0
9.0
Input capacitanse
3.0(Typ)
—
pF
V
IN
= V
CC
or GND
V
O
= V
CC
or GND
Output capacitance
15.0(Typ)
—
pF
Test Circuit
V
CC
1A1
G
S
V
CC
Input
Pulse Generator
Z
out
= 50
OPEN
7 V
C =
50 pF
50 Scope
500
450
Output
1A2
1A3
1A4
Same as above
load circuit
1Y1
1Y2
1Y3
1Y4
Output
*3
Same as above
load circuit
Same as above
load circuit
Notes:
1.
2.
2.
C
L
includes probe and jig capacitance.
2
G
, 2A1-2A4 to 2Y1-2Y4 are identical to above load circuit.
Open: t
PLH
, t
PHL
, t
ZH
, t
HZ
7 V: t
ZL
, t
LZ
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相关代理商/技术参数 |
参数描述 |
|---|---|
| HD74BC244AFP | 制造商:未知厂家 制造商全称:未知厂家 功能描述:BUFFER/DRIVER|DUAL|4-BIT|BICMOS-TTL|SOP|20PIN|PLASTIC |
| HD74BC244AFPEL | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Octal Buffers/Line Drivers With 3 State Outputs |
| HD74BC244AP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Octal Buffers/Line Drivers With 3 State Outputs |
| HD74BC244ARP | 制造商:未知厂家 制造商全称:未知厂家 功能描述:BUFFER/DRIVER|DUAL|4-BIT|BICMOS-TTL|SOP|20PIN|PLASTIC |
| HD74BC244AT | 制造商:未知厂家 制造商全称:未知厂家 功能描述:BUFFER/DRIVER|DUAL|4-BIT|BICMOS-TTL|TSSOP|20PIN|PLASTIC |
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