TC74LCX541FT-ELK(M [TOSHIBA]
IC LVC/LCX/Z SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, 4.40 MM, 0.65 MM PITCH, PLASTIC, TSSOP-20, Bus Driver/Transceiver;
| 型号： | TC74LCX541FT-ELK(M |
| 厂家： | 
TOSHIBA |
| 描述： | IC LVC/LCX/Z SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, 4.40 MM, 0.65 MM PITCH, PLASTIC, TSSOP-20, Bus Driver/Transceiver 驱动 光电二极管 输出元件 |
| 文件： | 总11页 (文件大小：230K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TC74LCX541F/FT/FK
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74LCX541F,TC74LCX541FT,TC74LCX541FK
Low-Voltage Octal Bus Buffer with 5-V Tolerant Inputs and Outputs
The TC74LCX541 is a high-performance CMOS octal bus
buffer. Designed for use in 3.3-V systems, it achieves high-speed
TC74LCX541F
operation while maintaining the CMOS low power dissipation.
The device is designed for low-voltage (3.3 V) V
applications,
CC
but it could be used to interface to 5 V supply environment for
both inputs and outputs.
The TC74LCX541 is a non-inverting 3-state buffer having two
active-low output enables. When either OE1 or OE2 are high,
the terminal outputs are in the high-impedance state. This device
is designed to be used with 3-state memory address drivers, etc.
All inputs are equipped with protection circuits against static
discharge.
TC74LCX541FT
Features
Low-voltage operation: V
1.65 to 3.6 V
CC
High-speed operation: t 6.5 ns (max) (V
3.0 to 3.6 V)
pd
CC
Output current: |I |/I
24 mA (min) (V
3.0 V)
OH OL
CC
Latch-up performance: ≥ ±500 mA
TC74LCX541FK
Available in JEITA SOP, TSSOP and VSSOP (US)
Power-down protection provided on all inputs and outputs
Pin and function compatible with the 74 series
(74AC/VHC/HC/F/ALS/LS etc.) 541 type
Weight:
SOP20-P-300-1.27A
: 0.22 g (typ.)
TSSOP20-P-0044-0.65A : 0.08 g (typ.)
VSSOP20-P-0030-0.50 : 0.03 g (typ.)
Note: The Electrical Characteristics of V =1.8±0.15V is only applicable for products which manufactured
CC
from January 2009 onward.
1
2011-09-01
TC74LCX541F/FT/FK
Pin Assignment (top view)
IEC Logic Symbol
(1)
&
OE1
OE2
OE1
A1
A2
A3
A4
A5
A6
A7
A8
1
2
3
4
5
6
7
8
9
20
19
V
EN
CC
(19)
OE2
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(18)
(17)
(16)
(15)
(14)
(13)
(12)
(11)
18 Y1
17 Y2
16 Y3
15 Y4
14 Y5
13 Y6
12 Y7
11 Y8
A1
A2
A3
A4
A5
A6
A7
A8
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
GND 10
Truth Table
Inputs
Outputs
OE1
H
OE2
X
An
X
Z
Z
H
L
X
H
X
L
L
H
L
L
L
X: Don’t care
Z: High impedance
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2011-09-01
TC74LCX541F/FT/FK
Absolute Maximum Ratings (Note 1)
Characteristics
Power supply voltage
Symbol
Rating
Unit
V
0.5 to 7.0
V
V
CC
DC input voltage
V
0.5 to 7.0
IN
0.5 to 7.0 (Note 2)
DC output voltage
V
V
0.5 to V
CC
0.5
(Note 3)
OUT
Input diode current
Output diode current
DC output current
Power dissipation
I
50
mA
mA
mA
mW
mA
°C
IK
I
50
50
(Note 4)
OK
I
OUT
P
180
D
DC V /ground current
CC
I
/I
100
CC GND
Storage temperature
T
65 to 150
stg
Note 1: Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or
even destruction.
Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the
significant change in temperature, etc.) may cause this product to decrease in the reliability significantly
even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute
maximum ratings and the operating ranges.
Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook
(“Handling Precautions”/“Derating Concept and Methods”) and individual reliability data (i.e. reliability test
report and estimated failure rate, etc).
Note 2: Output in OFF state
Note 3: High or low state. I
OUT
absolute maximum rating must be observed.
Note 4:
V
OUT
GND, V
OUT
V
CC
Operating Ranges (Note 1)
Characteristics
Symbol
Rating
Unit
1.65 to 3.6
Power supply voltage
Input voltage
V
V
V
V
CC
1.5 to 3.6 (Note 2)
0 to 5.5
V
IN
0 to 5.5 (Note 3)
Output voltage
V
OUT
0 to V
CC
(Note 4)
(Note 5)
(Note 6)
24
12
Output current
I
/I
mA
OH OL
Operating temperature
Input rise and fall time
T
40 to 85
°C
opr
dt/dv
0 to 10 (Note 7)
ns/V
Note 1: The operating ranges must be maintained to ensure the normal operation of the device.
Unused inputs must be tied to either V
CC
or GND.
Note 2: Data retention only
Note 3: Output in OFF state
Note 4: High or low state
Note 5:
Note 6:
Note 7:
V
V
V
3.0 to 3.6 V
2.7 to 3.0 V
0.8 to 2.0 V, V
CC
CC
CC
3.0 V
IN
3
2011-09-01
TC74LCX541F/FT/FK
Electrical Characteristics
DC Characteristics (Ta 40 to 85°C)
Characteristics
Symbol
Test Condition
Min
Max
Unit
V
CC
(V)
1.65 to 2.3
2.3 to 2.7
2.7 to 3.6
1.65 to 2.3
2.3 to 2.7
2.7 to 3.6
V
0.9
CC
H-level
V
1.7
2.0
IH
Input voltage
V
V
0.1
CC
0.7
0.8
L-level
H-level
V
IL
I
I
I
100 A
4 mA
8 mA
1.65 to 3.6
1.65
V
0.2
CC
OH
OH
OH
1.05
1.7
2.3
V
OH
V
IN
V or V
IH IL
I
12 mA
2.7
2.2
OH
I
I
I
I
I
I
I
I
18 mA
24 mA
100 A
4 mA
3.0
3.0
2.4
2.2
OH
OH
OL
OL
OL
OL
OL
OL
Output voltage
V
1.65 to 3.6
1.65
0.2
0.45
0.7
8 mA
2.3
L-level
V
V
IN
V or V
IH IL
OL
12 mA
16 mA
24 mA
2.7
0.4
3.0
0.4
3.0
0.55
5.0
Input leakage current
I
V
V
V
V
V
V
V
0 to 5.5 V
1.65 to 3.6
A
IN
IN
V or V
IH IL
IN
3-state output off-state current
Power off leakage current
Quiescent supply current
I
1.65 to 3.6
5.0
A
A
OZ
0 to 5.5 V
OUT
I
/V
IN OUT
5.5 V
0
10.0
10.0
10.0
500
OFF
V
CC
or GND
1.65 to 3.6
1.65 to 3.6
2.7 to 3.6
IN
I
CC
A
/V
3.6 to 5.5 V
IN OUT
V 0.6V
CC
Increase in I
per input
I
CC
CC
IH
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2011-09-01
TC74LCX541F/FT/FK
AC Characteristics (Ta 40 to 85°C)
Characteristics
Symbol
Test Condition
Min
Max
Unit
ns
V
(V)
CC
1.8 0.15
2.5 0.2
25.0
8.5
t
t
pLH
Propagation delay time
Figure 1, Figure 2
pHL
2.7
7.5
3.3 0.3
1.5
6.5
1.8 0.15
34.0
t
2.5 0.2
17.0
pZL
Output enable time
Figure 1, Figure 3
ns
t
pZH
2.7
1.5
9.5
8.5
3.3 0.3
1.8 0.15
2.5 0.2
32.0
16.0
t
t
pLZ
Output disable time
Figure 1, Figure 3
ns
ns
2.7
8.5
pHZ
3.3 0.3
2.7
1.5
7.5
t
t
osLH
Output to output skew
(Note)
3.3 0.3
1.0
osHL
Note:
Parameter guaranteed by design.
(t |t t |, t |t
t |)
pHLn
osLH
pLHm
pLHn osHL
pHLm
Dynamic Switching Characteristics (Ta 25°C, input: t t 2.5 ns, C 50 pF, R 500 )
r
f
L
L
Characteristics
Symbol
Test Condition
Typ.
Unit
V
CC
(V)
Quiet output maximum
dynamic
V
V
V
V
V
3.3 V, V 0 V
IL
3.3
3.3
0.8
0.8
V
V
OL
OLP
IH
Quiet output minimum
dynamic
|V
OLV
|
3.3 V, V 0 V
IL
OL
IH
Capacitive Characteristics (Ta 25°C)
Characteristics
Symbol
Test Condition
Typ.
Unit
V
CC
(V)
Input capacitance
C
3.3
3.3
3.3
7
8
pF
pF
pF
IN
Output capacitance
C
OUT
Power dissipation capacitance
C
f
IN
10 MHz
(Note)
40
PD
Note:
C
PD
is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption.
Average operating current can be obtained by the equation:
I
C
· V
· f I /8 (per bit)
CC
CC (opr)
PD CC IN
5
2011-09-01
TC74LCX541F/FT/FK
AC Test Circuit
Parameter
Switch
Open
Open
6.0 V or V ×2
GND
Switch
CC
t
, t
pLH pHL
6.0 V
@ V
@ V
=3.3±0.3V
=2.7V
CC
Output
Measure
CC
t
, t
pLZ pZL
V ×2
CC
@ V
=2.5±0.2V
=1.8±0.15V
CC
@ V
CC
t
, t
GND
pHZ pZH
Figure 1
6
2011-09-01
TC74LCX541F/FT/FK
AC Waveform
t 2.5 ns
r
t 2.5 ns
f
V
IH
90%
Input
(A)
V
IM
10%
GND
V
OH
OL
Output
(Y)
VOM
V
t
t
pHL
pLH
Figure 2 t
, t
pLH pHL
t
r
t
f
V
IH
90%
Output Enable
( OE )
V
IM
10%
GND
t
t
t
pLZ
pZL
V
OH
V
OL
V
OH
Output (Y)
Low to Off to Low
V
V
OM
V
V
X
t
pHZ
pZH
Y
Output (Y)
High to Off to High
OM
GND
Outputs
enabled
Outputs
disabled
Outputs
enabled
Figure 3 t
, t
, t
, t
pLZ pHZ pZL pZH
V
CC
Symbol
3.3 0.3 V
2.7V
2.5 0.2 V
1.8 0.15 V
Input
Output
Load
V
2.7V
V
V
IH
CC
CC
V
IM
1.5V
V
CC
/2
V
CC
/2
tr,tf
2.5ns
1.5V
2.0ns
2.0ns
V
OM
V
OH
/2
V
OH
/2
V
V
+0.3V
-0.3V
V
+0.15V
-0.15V
V
+0.15V
-0.15V
X
Y
OL
OL
OL
V
V
V
V
OH
OH
OH
C
R
50pF
500
30pF
500
30pF
1k
L
L
7
2011-09-01
TC74LCX541F/FT/FK
Package Dimensions
Weight: 0.22 g (typ.)
8
2011-09-01
TC74LCX541F/FT/FK
Package Dimensions
Weight: 0.08 g (typ.)
9
2011-09-01
TC74LCX541F/FT/FK
Package Dimensions
Weight: 0.03 g (typ.)
10
2011-09-01
TC74LCX541F/FT/FK
RESTRICTIONS ON PRODUCT USE
Toshiba Corporation, and its subsidiaries and affiliates (collectively “TOSHIBA”), reserve the right to make changes to the information
in this document, and related hardware, software and systems (collectively “Product”) without notice.
This document and any information herein may not be reproduced without prior written permission from TOSHIBA. Even with
TOSHIBA’s written permission, reproduction is permissible only if reproduction is without alteration/omission.
Though TOSHIBA works continually to improve Product’s quality and reliability, Product can malfunction or fail. Customers are
responsible for complying with safety standards and for providing adequate designs and safeguards for their hardware, software and
systems which minimize risk and avoid situations in which a malfunction or failure of Product could cause loss of human life, bodily
injury or damage to property, including data loss or corruption. Before customers use the Product, create designs including the
Product, or incorporate the Product into their own applications, customers must also refer to and comply with (a) the latest versions of
all relevant TOSHIBA information, including without limitation, this document, the specifications, the data sheets and application notes
for Product and the precautions and conditions set forth in the “TOSHIBA Semiconductor Reliability Handbook” and (b) the
instructions for the application with which the Product will be used with or for. Customers are solely responsible for all aspects of their
own product design or applications, including but not limited to (a) determining the appropriateness of the use of this Product in such
design or applications; (b) evaluating and determining the applicability of any information contained in this document, or in charts,
diagrams, programs, algorithms, sample application circuits, or any other referenced documents; and (c) validating all operating
parameters for such designs and applications. TOSHIBA ASSUMES NO LIABILITY FOR CUSTOMERS’ PRODUCT DESIGN OR
APPLICATIONS.
Product is intended for use in general electronics applications (e.g., computers, personal equipment, office equipment, measuring
equipment, industrial robots and home electronics appliances) or for specific applications as expressly stated in this document.
Product is neither intended nor warranted for use in equipment or systems that require extraordinarily high levels of quality and/or
reliability and/or a malfunction or failure of which may cause loss of human life, bodily injury, serious property damage or serious
public impact (“Unintended Use”). Unintended Use includes, without limitation, equipment used in nuclear facilities, equipment used
in the aerospace industry, medical equipment, equipment used for automobiles, trains, ships and other transportation, traffic signaling
equipment, equipment used to control combustions or explosions, safety devices, elevators and escalators, devices related to electric
power, and equipment used in finance-related fields. Do not use Product for Unintended Use unless specifically permitted in this
document.
Do not disassemble, analyze, reverse-engineer, alter, modify, translate or copy Product, whether in whole or in part.
Product shall not be used for or incorporated into any products or systems whose manufacture, use, or sale is prohibited under any
applicable laws or regulations.
The information contained herein is presented only as guidance for Product use. No responsibility is assumed by TOSHIBA for any
infringement of patents or any other intellectual property rights of third parties that may result from the use of Product. No license to
any intellectual property right is granted by this document, whether express or implied, by estoppel or otherwise.
ABSENT A WRITTEN SIGNED AGREEMENT, EXCEPT AS PROVIDED IN THE RELEVANT TERMS AND CONDITIONS OF SALE
FOR PRODUCT, AND TO THE MAXIMUM EXTENT ALLOWABLE BY LAW, TOSHIBA (1) ASSUMES NO LIABILITY
WHATSOEVER, INCLUDING WITHOUT LIMITATION, INDIRECT, CONSEQUENTIAL, SPECIAL, OR INCIDENTAL DAMAGES OR
LOSS, INCLUDING WITHOUT LIMITATION, LOSS OF PROFITS, LOSS OF OPPORTUNITIES, BUSINESS INTERRUPTION AND
LOSS OF DATA, AND (2) DISCLAIMS ANY AND ALL EXPRESS OR IMPLIED WARRANTIES AND CONDITIONS RELATED TO
SALE, USE OF PRODUCT, OR INFORMATION, INCLUDING WARRANTIES OR CONDITIONS OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE, ACCURACY OF INFORMATION, OR NONINFRINGEMENT.
Do not use or otherwise make available Product or related software or technology for any military purposes, including without
limitation, for the design, development, use, stockpiling or manufacturing of nuclear, chemical, or biological weapons or missile
technology products (mass destruction weapons). Product and related software and technology may be controlled under the
Japanese Foreign Exchange and Foreign Trade Law and the U.S. Export Administration Regulations. Export and re-export of Product
or related software or technology are strictly prohibited except in compliance with all applicable export laws and regulations.
Please contact your TOSHIBA sales representative for details as to environmental matters such as the RoHS compatibility of Product.
Please use Product in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances,
including without limitation, the EU RoHS Directive. TOSHIBA assumes no liability for damages or losses occurring as a result of
noncompliance with applicable laws and regulations.
11
2011-09-01
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