參數(shù)資料
型號(hào)： HD74BC240A
廠商： Hitachi,Ltd.
英文描述： Octal Buffers/Line Drivers With 3 State Outputs(三態(tài)輸出的八緩沖器/線驅(qū)動(dòng)器)
中文描述： 八路緩沖器/線路驅(qū)動(dòng)器，三態(tài)輸出（三態(tài)輸出的八緩沖器/線驅(qū)動(dòng)器）
文件頁數(shù)： 5/8頁
文件大?。?/td> 39K
代理商： HD74BC240A
HD74BC240A
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
1
Y
1
1
Y
2
1
Y
3
1
Y
4
Output
*3
Same as above
load circuit
Same as above
load circuit
Notes:
1.
2.
3.
C
L
includes probe and jig capacitance.
2
G
, 2A1-2A4 to 2
Y
1-2
Y
4 are identical to above load circuit.
Open: t
PLH
, t
PHL
, t
ZH
, t
HZ
7 V: t
ZL
, t
LZ
相關(guān)PDF資料
PDF描述
HD74BC244A Octal Buffers/Line Drivers With 3 State Outputs(三態(tài)輸出的八緩沖器/線驅(qū)動(dòng)器)
HD74BC245A Octal Bus Transceivers With 3 State Outputs(三態(tài)輸出的八總線收發(fā)器)
HD74BC373A Octal D Type Transparent Latches With 3 State Outputs(三態(tài)輸出的八D鎖存器)
HD74BC374A Octal D Type Flip Flops With 3 State Outputs(三態(tài)輸出的八D觸發(fā)器)
HD74BC533A Octal D Type Transparent Latches With 3 State Outputs(三態(tài)輸出的八D鎖存器)
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