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Datasheet 74HC7541 PDF ( 特性, スペック, ピン接続図 )

部品番号 74HC7541
部品説明 Octal Schmitt trigger buffer/line driver
メーカ NXP
ロゴ NXP ロゴ 
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74HC7541 Datasheet, 74HC7541 PDF,ピン配置, 機能
74HC7541; 74HCT7541
Octal Schmitt trigger buffer/line driver; 3-state
Rev. 7 — 4 March 2016
Product data sheet
1. General description
The 74HC7541; 74HCT7541 is an 8-bit buffer/line driver with Schmitt-trigger inputs and
3-state outputs. The device features two output enables (OE1 and OE2). A HIGH on OEn
causes the outputs to assume a high-impedance OFF-state. Inputs include clamp diodes.
This enables the use of current limiting resistors to interface inputs to voltages in excess
of VCC. Schmitt trigger inputs transform slowly changing input signals into sharply defined
jitter-free output signals.
2. Features and benefits
Non-inverting outputs
Low-power dissipation
Input levels:
For 74HC7541: CMOS level
For 74HCT7541: TTL level
Complies with JEDEC standard no. 7A
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
Multiple package options
Specified from 40 C to +85 C and from 40 C to +125 C
3. Ordering information
Table 1. Ordering information
Type number Package
Temperature range
74HC7541D 40 C to +125 C
74HCT7541D
74HC7541DB 40 C to +125 C
Name
SO20
SSOP20
74HC7541PW 40 C to +125 C
74HCT7541PW
TSSOP20
Description
plastic small outline package; 20 leads;
body width 7.5 mm
plastic shrink small outline package; 20 leads;
body width 5.3 mm
plastic thin shrink small outline package; 20 leads;
body width 4.4 mm
Version
SOT163-1
SOT339-1
SOT360-1

1 Page



74HC7541 pdf, ピン配列
Nexperia
74HC7541; 74HCT7541
Octal Schmitt trigger buffer/line driver; 3-state
5.2 Pin description
Table 2.
Symbol
OE1
A0 to A7
GND
Y0 to Y7
OE2
VCC
Pin description
Pin
1
2, 3, 4, 5, 6, 7, 8, 9
10
18, 17, 16, 15, 14, 13, 12, 11
19
20
6. Functional description
Description
output enable input (active LOW)
data input
ground (0 V)
data output
output enable input (active LOW)
supply voltage
Table 3.
Control
OE1
L
L
X
H
Functional table[1]
OE2
L
L
H
X
Input
An
L
H
X
X
[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
7. Limiting values
Output
Yn
L
H
Z
Z
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min Max Unit
VCC
IIK
IOK
IO
ICC
IGND
Tstg
Ptot
supply voltage
input clamping current
output clamping current
output current
supply current
ground current
storage temperature
total power dissipation
VI < 0.5 V or VI > VCC + 0.5 V
VO < 0.5 V or VO > VCC + 0.5 V
0.5 V < VO < VCC + 0.5 V
SO20, SSOP20, TSSOP20
0.5
[1] -
[1] -
-
-
70
65
[2] -
+7
20
20
35
70
-
+150
500
V
mA
mA
mA
mA
mA
C
mW
[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] For SO20 packages: above 70 C the value of Ptot derates linearly with 8 mW/K.
For SSOP20 and TSSOP20 packages: above 60 C the value of Ptot derates linearly with 5.5 mW/K.
74HC_HCT7541
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 4 March 2016
© Nexperia B.V. 2017. All rights reserved
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74HC7541 電子部品, 半導体
Nexperia
74HC7541; 74HCT7541
Octal Schmitt trigger buffer/line driver; 3-state
Table 7. Dynamic characteristics
GND = 0 V; CL = 50 pF; for test circuit see Figure 7.
Symbol Parameter
Conditions
tt transition time
CPD power dissipation
capacitance
74HCT7541
see Figure 5
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
per package;
VI = GND to VCC
tpd propagation delay An to Yn; see Figure 5
VCC = 4.5 V
VCC = 5.0 V; CL = 15 pF
ten enable time
OEn to Yn; see Figure 6
VCC = 4.5 V
tdis disable time
OEn to Yn; see Figure 6
VCC = 4.5 V
tt
transition time
VCC = 4.5 V; see Figure 5
CPD power dissipation per package;
capacitance
VI = GND to VCC 1.5 V
Tamb = 25 C
Min Typ Max
[2]
Tamb = 40 C to +125 C Unit
Max (85 C) Max (125 C)
-
-
-
[3] -
14 60
5 12
4 10
30 -
75
15
13
-
90 ns
18 ns
15 ns
- pF
[1]
-
-
[1]
-
[1]
-
[2] -
[3] -
19 32
16 -
18 32
20 32
5 12
32 -
40
-
40
40
15
-
48 ns
- ns
48 ns
48 ns
18 ns
- pF
[1] tpd is the same as tPLH and tPHL.
ten is the same as tPZL and tPZH.
tdis is the same as tPLZ and tPHZ.
[2] tt is the same as tTHL and tTLH.
[3] CPD is used to determine the dynamic power dissipation (PD in W):
PD = CPD VCC2 fi N + (CL VCC2 fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VCC = supply voltage in V;
N = number of inputs switching;
(CL VCC2 fo) = sum of outputs.
74HC_HCT7541
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 4 March 2016
© Nexperia B.V. 2017. All rights reserved
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