74hct7541 NXP Semiconductors, 74hct7541 Datasheet - Page 5

• Manufacturer Part Number: 74hct7541
• Description: Octal Schmitt Trigger Buffer/line Driver; 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
Transfer characteristics are given below (not applicable for OE
Output capability: bus driver
I
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
TRANSFER CHARACTERISTICS FOR 74HC
Voltages are referred to GND (ground = 0 V)
December 1990
CC
SYMBOL
t
t
t
t
SYMBOL PARAMETER
V
V
V
PHL
PZH
PHZ
THL
T
T
H
Octal Schmitt trigger buffer/line driver; 3-state
category: MSI
/ t
/ t
/ t
/ t
TLH
PLH
PZL
PLZ
positive-going threshold
negative-going threshold 0.30
hysteresis (V
r
PARAMETER
propagation delay
3-state output enable time
3-state output disable time
output transition time
= t
A
OE
OE
n
f
to Y
n
n
= 6 ns; C
to Y
to Y
n
n
n
T
L
= 50 pF
V
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
T
)
1.35
1.80
0.10
0.25
0.30
min. typ. max. min. max. min. max.
min. typ. max. min. max. min. max.
0.20
0.40
0.50
39
14
11
44
16
13
58
21
17
14
5
4
25
25
1.50
3.15
4.20
120
24
20
160
32
27
160
32
27
60
12
10
T
5
T
amb
0.30
1.35
1.80
0.10
0.25
0.30
74HC
amb
74HC
40 to 85
n
40 to 85
( C)
inputs).
( C)
1.50
3.15
4.20
150
30
26
200
40
34
200
40
34
75
15
13
0.30
1.35
1.80
0.10
0.25
0.30
40 to 125
40 to 125
1.50
3.15
4.20
180
36
32
240
48
41
240
48
41
90
18
15
.
V
V
V
UNIT
ns
ns
ns
ns
UNIT
74HC/HCT7541
V
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
(V)
TEST CONDITIONS
CC
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
TEST CONDITIONS
V
(V)
Product specification
CC
WAVEFORMS
Figs 6 and 7
Figs 6 and 7
Figs 6 and 7
WAVEFORMS
Fig.8
Fig.8
Fig.8
Fig.8