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PDF MC74VHCT541A Data sheet ( Hoja de datos )
| Número de pieza | MC74VHCT541A | |
| Descripción | Octal Bus Buffer | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Octal Bus Buffer
The MC74VHCT541A is an advanced high speed CMOS octal bus buffer
fabricated with silicon gate CMOS technology. It achieves high speed
operation similar to equivalent Bipolar Schottky TTL while maintaining
CMOS low power dissipation.
The MC74VHCT541A is a noninverting, 3–state, buffer/line driver/line
receiver. When either OE1 or OE2 is high, the terminal outputs are in the
high impedance state.
The VHCT inputs are compatible with TTL levels. This device can be used
as a level converter for interfacing 3.3V to 5.0V, because it has full 5V CMOS
level output swings.
The VHCT541A input and output (when disabled) structures provide
protection when voltages between 0V and 5.5V are applied, regardless of
the supply voltage. These input and output structures help prevent device
destruction caused by supply voltage – input/output voltage mismatch,
battery backup, hot insertion, etc.
• High Speed: tPD = 5.4ns (Typ) at VCC = 5V
• Low Power Dissipation: ICC = 4µA (Max) at TA = 25°C
• TTL–Compatible Inputs: VIL = 0.8V; VIH = 2.0V
• Power Down Protection Provided on Inputs and Outputs
• Balanced Propagation Delays
• Designed for 4.5V to 5.5V Operating Range
• Low Noise: VOLP = 1.6V (Max)
• Pin and Function Compatible with Other Standard Logic Families
• Latchup Performance Exceeds 300mA
• ESD Performance: HBM > 2000V; Machine Model > 200V
• Chip Complexity: 134 FETs or 33.5 Equivalent Gates
DATA
INPUTS
OUTPUT
ENABLES
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
1
OE1
OE2 19
LOGIC DIAGRAM
18
Y1
17
Y2
16
Y3
15
Y4
14
Y5
NONINVERTING
OUTPUTS
13
Y6
12
Y7
11
Y8
MC74VHCT541A
DW SUFFIX
20–LEAD SOIC PACKAGE
CASE 751D–04
DT SUFFIX
20–LEAD TSSOP PACKAGE
CASE 948E–02
M SUFFIX
20–LEAD SOIC EIAJ PACKAGE
CASE 967–01
ORDERING INFORMATION
MC74VHCTXXXADW SOIC
MC74VHCTXXXADT TSSOP
MC74VHCTXXXAM SOIC EIAJ
PIN ASSIGNMENT
OE1 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
GND 10
20 VCC
19 OE2
18 Y1
17 Y2
16 Y3
15 Y4
14 Y5
13 Y6
12 Y7
11 Y8
FUNCTION TABLE
Inputs
OE1 OE2 A
Output Y
LLL
L LH
HXX
XHX
L
H
Z
Z
6/97
© Motorola, Inc. 1997
1
REV 0
1 page  
MC74VHCT541A
OUTLINE DIMENSIONS
DW SUFFIX
PLASTIC SOIC PACKAGE
CASE 751D–04
ISSUE E
–A–
20 11
–B– 10X P
0.010 (0.25) M B M
1 10
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.150
(0.006) PER SIDE.
5. DIMENSION D DOES NOT INCLUDE
DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.13
(0.005) TOTAL IN EXCESS OF D DIMENSION
AT MAXIMUM MATERIAL CONDITION.
20X D
0.010 (0.25) M T A S B S
J
F
18X G
C
–T–
SEATING
PLANE
K
M
R X 45_
MILLIMETERS
INCHES
DIM MIN MAX MIN MAX
A 12.65 12.95 0.499 0.510
B 7.40 7.60 0.292 0.299
C 2.35 2.65 0.093 0.104
D 0.35 0.49 0.014 0.019
F 0.50 0.90 0.020 0.035
G 1.27 BSC
0.050 BSC
J 0.25 0.32 0.010 0.012
K 0.10 0.25 0.004 0.009
M 0_ 7_ 0_ 7_
P 10.05 10.55 0.395 0.415
R 0.25 0.75 0.010 0.029
DT SUFFIX
PLASTIC TSSOP PACKAGE
CASE 948E–02
ISSUE A
0.15 (0.006) T U S
2X L/2 20
L
PIN 1
IDENT
1
0.15 (0.006) T U S
C
D
0.100 (0.004)
–T– SEATING
PLANE
20X K REF
0.10 (0.004) M T U S V S
11
B
–U–
10
A
–V–
GH
K
J J1ÍÍÍÍÍÍKÍÍÍ1 ÍÍÍ
SECTION N–N
N 0.25 (0.010)
M
N
F
DETAIL E
DETAIL E
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A DOES NOT INCLUDE MOLD FLASH,
PROTRUSIONS OR GATE BURRS. MOLD FLASH
OR GATE BURRS SHALL NOT EXCEED 0.15
(0.006) PER SIDE.
4. DIMENSION B DOES NOT INCLUDE INTERLEAD
FLASH OR PROTRUSION. INTERLEAD FLASH OR
PROTRUSION SHALL NOT EXCEED 0.25 (0.010)
PER SIDE.
5. DIMENSION K DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.08 (0.003) TOTAL IN
EXCESS OF THE K DIMENSION AT MAXIMUM
MATERIAL CONDITION.
6. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
7. DIMENSION A AND B ARE TO BE DETERMINED
AT DATUM PLANE –W–.
–W–
MILLIMETERS
INCHES
DIM MIN MAX MIN MAX
A 6.40 6.60 0.252 0.260
B 4.30 4.50 0.169 0.177
C ––– 1.20 ––– 0.047
D 0.05 0.15 0.002 0.006
F 0.50 0.75 0.020 0.030
G 0.65 BSC
0.026 BSC
H 0.27 0.37 0.011 0.015
J 0.09 0.20 0.004 0.008
J1 0.09 0.16 0.004 0.006
K 0.19 0.30 0.007 0.012
K1 0.19 0.25 0.007 0.010
L 6.40 BSC
0.252 BSC
M 0_ 8_ 0_ 8_
VHC Data – Advanced CMOS Logic
DL203 — Rev 1
5
MOTOROLA
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet MC74VHCT541A.PDF ] | |
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