参数资料
型号: 74AHC541
厂商: NXP Semiconductors N.V.
英文描述: Octal buffer/line driver; 3-state
中文描述: 八路缓冲器/线路驱动器,3态
文件页数: 9/16页
文件大小: 81K
代理商: 74AHC541
1999 Nov 24
9
Philips Semiconductors
Product specification
Octal buffer/line driver; 3-state
74AHC541; 74AHCT541
Type 74AHCT541
Ground = 0 V; t
r
= t
f
3.0 ns.
Note
1.
Typical values at V
CC
= 5.0 V.
AC WAVEFORMS
SYMBOL
PARAMETER
TEST CONDITIONS
T
amb
(
°
C)
UNIT
WAVEFORMS
C
L
25
40 to +85
40 to +125
MIN.
TYP.
MAX.
MIN.
MAX.
MIN.
MAX.
V
CC
= 4.5 to 5.5 V;
note 1
t
PHL
/t
PLH
propagation delay
A
n
to Y
n
propagation delay
OE
n
to Y
n
propagation delay
OE
n
to Y
n
propagation delay
A
n
to Y
n
propagation delay
OE
n
to Y
n
propagation delay
OE
n
to Y
n
see Figs 4 and 6
15 pF
3.5
5.5
1.0
6.5
1.0
7.0
ns
t
PZL
/t
PZH
see Figs 5 and 6
4.0
7.0
1.0
8.0
1.0
9.0
ns
t
PLZ
/t
PHZ
5.0
7.0
1.0
8.0
1.0
9.0
ns
t
PHL
/t
PLH
see Figs 4 and 6
50 pF
5.0
8.5
1.0
9.5
1.0
11.0
ns
t
PZL
/t
PZH
see Figs 5 and 6
5.5
10.0
1.0
12.0
1.0
12.5
ns
t
PLZ
/t
PHZ
7.0
10.0
1.0
12.0
1.0
12.5
ns
Fig.4 The input (A
n
) to output (Y
n
) propagation delays.
handbook, halfpage
MNA181
An input
Yn output
tPLH
tPHL
GND
VI
VM
VM
VM
VM
VOH
VOL
FAMILY
V
I
INPUT
REQUIREMENTS
V
M
INPUT
V
M
OUTPUT
AHC
AHCT
GND to V
CC
GND to 3.0 V
50% V
CC
1.5 V
50% V
CC
50% V
CC
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