74HC7541 PDF даташит
Спецификация 74HC7541 изготовлена «Philips» и имеет функцию, называемую «Octal Schmitt trigger buffer/line driver 3-state». |
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Детали детали
Номер произв | 74HC7541 |
Описание | Octal Schmitt trigger buffer/line driver 3-state |
Производители | Philips |
логотип |
7 Pages
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INTEGRATED CIRCUITS
DATA SHEET
For a complete data sheet, please also download:
• The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications
• The IC06 74HC/HCT/HCU/HCMOS Logic Package Information
• The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
74HC/HCT7541
Octal Schmitt trigger buffer/line
driver; 3-state
Product specification
Supersedes data of March 1988
File under Integrated Circuits, IC06
December 1990
No Preview Available ! |
Philips Semiconductors
Octal Schmitt trigger buffer/line driver; 3-state
Product specification
74HC/HCT7541
FEATURES
• Non-inverting outputs
• Schmitt trigger action on all data inputs
• Output capability: bus driver
• ICC category: MSI
GENERAL DESCRIPTION
The 74HC/HCT7541 are high-speed Si-gate CMOS
devices and are pin compatible with low power Schottky
TTL (LSTTL). They are specified in compliance with
JEDEC standard no. 7A.
The 74HC/HCT7541 are octal Schmitt trigger
non-inverting buffer/line drivers with 3-state outputs. The
3-state outputs are controlled by the output enable inputs
OE1 and OE2.
A HIGH on OEn causes the outputs to assume a high
impedance OFF-state.
The Schmitt trigger action in the data inputs transforms
slowly changing input signals into sharply defined
jitter-free output signals.
The “7541” is identical to the “541” but has hysteresis on
the data inputs.
QUICK REFERENCE DATA
GND = 0 V; Tamb = 25 °C; tr = tf = 6 ns
SYMBOL PARAMETER
CONDITIONS
tPHL/ tPLH
CI
CPD
propagation delay An to Yn
input capacitance
power dissipation capacitance per buffer
CL = 15 pF; VCC = 5 V
notes 1 and 2
Notes
1. CPD is used to determine the dynamic power dissipation (PD in µW):
PD = CPD × VCC2 × fi + ∑ (CL × VCC2 × fo) where:
fi = input frequency in MHz
fo = output frequency in MHz
∑ (CL × VCC2 × fo) = sum of outputs
CL = output load capacitance in pF
VCC = supply voltage in V
2. For HC the condition is VI = GND to VCC
For HCT the condition is VI = GND to VCC − 1.5 V
ORDERING INFORMATION
See “74HC/HCT/HCU/HCMOS Logic Package Information”.
TYPICAL
HC HCT
10 16
3.5 3.5
30 32
UNIT
ns
pF
pF
December 1990
2
No Preview Available ! |
Philips Semiconductors
Octal Schmitt trigger buffer/line driver; 3-state
Product specification
74HC/HCT7541
PIN DESCRIPTION
PIN NO.
1, 19
2, 3, 4, 5, 6, 7, 8, 9
10
18, 17, 16, 15, 14, 13, 12, 11
20
SYMBOL
OE1, OE2
A0 to A7
GND
Y0 to Y7
VCC
NAME AND FUNCTION
output enable inputs (active LOW)
data inputs
ground (0 V)
bus outputs
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
December 1990
3
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Номер в каталоге | Описание | Производители |
74HC7540 | Octal Schmitt trigger buffer/line driver 3-state inverting | Philips |
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74HC7541 | Octal Schmitt trigger buffer/line driver 3-state | Philips |
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