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參數(shù)資料
| 型號： | HD74BC245A |
| 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） |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 42K |
| 代理商： | HD74BC245A |
HD74BC245A
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
PLH
t
PHL
t
ZH
t
ZL
t
ZH
t
ZL
t
HZ
t
LZ
t
HZ
t
LZ
C
IN
C
I/O
3.0
6.0
3.0
7.0
ns
An to Bn
3.0
6.0
3.0
7.0
3.0
6.0
3.0
7.0
ns
Bn to An
3.0
6.0
3.0
7.0
Output enable time
3.0
9.0
3.0
11.0
ns
G
to Bn
3.0
9.0
3.0
11.0
3.0
9.0
3.0
11.0
ns
G
to An
3.0
9.0
3.0
11.0
Output disable time
3.0
8.0
3.0
10.0
ns
G
to Bn
3.0
8.0
3.0
10.0
3.0
8.0
3.0
10.0
ns
G
to An
3.0
8.0
3.0
10.0
Input capacitanse
3.0(Typ)
—
pF
V
IN
= V
CC
or GND
V
I/O
= V
CC
or GND
Output capacitance
15.0(Typ)
—
pF
Test Circuit
V
CC
S
V
CC
A1
Output
OPEN
7V
C =
50 pF
G
DiR
B1
Pulse Generator
Z
out
= 50
Input
50 Scope
S1
*4
500
450
Notes:
1.
2.
3.
4.
C
L
includes probe and jig capacitance.
A2-B2, A3-B3, A4-B4, A5-B5, A6-B6, A7-B7, A8-B8 are identical to above load circuit.
S1: Input-Output change switch.
Open: t
PLH
, t
PHL
, t
ZH
, t
HZ
7 V: t
ZL
, t
LZ
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HD74BC245AFP | 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 |
| HD74BC245AFPEL | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Octal Bus Transceivers With 3 State Outputs |
| HD74BC245AP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Octal Bus Transceivers With 3 State Outputs |
| HD74BC245ARP | 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 |
| HD74BC245AT | 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|TSSOP|20PIN|PLASTIC |
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