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參數(shù)資料
| 型號(hào)： | HD74BC645A |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal Bus Transceivers With 3 State Outputs(三態(tài)輸出的八總線收發(fā)器) |
| 中文描述： | 八路總線收發(fā)器與三態(tài)輸出（三態(tài)輸出的八總線收發(fā)器） |
| 文件頁(yè)數(shù)： | 4/9頁(yè) |
| 文件大?。?/td> | 43K |
| 代理商： | HD74BC645A |
HD74BC645A
4
Electrical Characteristics
(Ta = –40 to +85°C)
Item
Symbol
V
CC
(V)
Min
Max
Unit
Test Conditions
Input voltage
V
IH
V
IL
V
OH
2.0
—
V
—
0.8
V
Output voltage
4.5
2.4
—
V
I
OH
= –3 mA
I
OH
= –15 mA
I
OL
= 48 mA
I
OL
= 64 mA
I
IN
= –18 mA
V
IN
= 0 V
An or Bn, V
IN
= 5.5 V
DiR or
G
, V
IN
= 5.5 V
DiR or
G
, V
IN
= 7 V
V
O
= 0 V, V
IN
= 0 or 5.5 V
V
O
= 2.7 V
V
O
= 0.5 V
V
= 0 or 5.5 V
All outputs is “L”
4.5
2.0
—
V
V
OL
4.5
—
0.5
V
4.5
—
0.55
V
Input diode voltage
V
IK
I
I
4.5
—
–1.2
V
Input current
5.5
—
–250
μ
A
μ
A
μ
A
μ
A
5.5
—
100
5.5
—
1.0
5.5
—
100
Output short circuit current*
1
I
OS
I
OZH
I
OZL
I
CCL
5.5
–100
–225
mA
Off state output current
5.5
—
–100
μ
A
μ
A
5.5
—
–250
Supply current
5.5
—
31.5
mA
I
CCH
5.5
—
0.5
mA
V
= 0 or 5.5 V
All outputs is “H”
I
CCZ
5.5
—
4.5
mA
V
= 0 or 5.5 V
All outputs is “Z”
I
CCT
*
2
5.5
—
1.5
mA
V
IN
= 3.4 or 0.5 V
Notes: 1. Not more than one output should be shorted at a time and duration of the short circuit should not
exceed one second.
2. When input by the TTL level, it shows I
CC
increase at per one input pin.
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|---|---|
| HD74BC645AFP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BUS TRANSCEIVER|SINGLE|8-BIT|BICMOS-TTL|SOP|20PIN|PLASTIC |
| HD74BC645AFP(E) | 制造商:Renesas Electronics 功能描述:74BC Bus Transceiver 制造商:Renesas Electronics 功能描述:74BC Bus Transceiver Cut Tape |
| HD74BC645AFPEL | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Octal Bus Transceivers With 3 State Outputs |
| HD74BC645AP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BUS TRANSCEIVER|SINGLE|8-BIT|BICMOS-TTL|DIP|20PIN|PLASTIC |
| HD74BC645ARP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Bus Transceiver |
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