TC7MP85400FT [TOSHIBA]
Octal Bus Buffer with Output Series Resistor; 八路总线缓冲器与输出串联电阻
| 型号： | TC7MP85400FT |
| 厂家： | 
TOSHIBA |
| 描述： | Octal Bus Buffer with Output Series Resistor |
| 文件： | 总7页 (文件大小：175K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TC7MP85400FT
TOSHIBA CMOS Digital Integrated Circuit
Silicon Monolithic
TC7MP85400FT
Octal Bus Buffer with Output Series Resistor
The TC7MP85400 is an advanced high-speed CMOS octal bus
buffer fabricated with silicon-gate CMOS technology. It achieves
high-speed operation similar to the equivalent bipolar Schottky
TTL while maintaining the CMOS low power dissipation. The
inputs are compatible with TTL voltage levels, so
the
TC7MP85400 can be used as a level converter for interfacing
3.3-V systems to 5-V systems.
The TC7MP85400 is an inverting bus buffer.
The outputs have 47-Ω (typ.) resistors connected in series, which
can reduce reflection noise without using external resistors.
Input and output protection circuits ensure that 0 to 5.5V can be
applied to the input and output*1 pins without regard to the
supply voltage.
Weight: 0.08 g (typ.)
Since power-down protection is provided on both inputs and outputs, the TC7MP85400 can be used in a wide range
of applications, such as interfacing between two different voltage systems, backup battery systems and so on.
Features
•
•
•
Outputs have 47-Ω (typ.) resistors connected in series.
High speed: tpd = 4.5 ns (typ.) at V = 5 V
CC
TTL-level inputs: V = 0.8 V (max)
IL
V
IH
= 2.0 V (max)
•
•
Power-down protection is provided on all inputs.
Low noise: V = 0.35 V (typ)
OLP
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2007-10-19
TC7MP85400FT
Pin Assignment
TC7MP85400FT
N.C
A1
A2
A3
A4
A5
A6
A7
A8
1
2
3
4
5
6
7
8
9
20
19
V
CC
N.C
18 Y1
17 Y2
16 Y3
15 Y4
14 Y5
13 Y6
12 Y7
11 Y8
GND 10
(top view)
Truth Table
Inputs
Outputs
An
L
Yn
H
H
L
Circuit Schematic (1/8 Package)
Rout
A1 - A8
Y1 - Y8
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2007-10-19
TC7MP85400FT
Absolute Maximum Ratings (Note 1)
Characteristics
Supply voltage range
Symbol
Rating
Unit
V
−0.5 to 7.0
−0.5 to 7.0
−0.5 to 7.0
V
V
CC
DC input voltage
V
IN
(Note 2)
DC output voltage
V
V
OUT
−0.5 to V
+ 0.5 (Note 3)
CC
Input diode current
Output diode current
DC output current
I
−20
mA
mA
mA
mA
mW
°C
IK
I
±20
±25
±75
180
(Note 4)
OK
I
OUT
DC V /ground current
CC
I
CC
Power dissipation
P
D
Storage temperature
T
stg
−65 to 150
Note 1: Exceeding any of the absolute maximum ratings, even briefly, may 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:
V
CC
= 0 V
Note 3: High or Low stats. I
absolute maximum rating must be observed.
> V
OUT CC
OUT
Note 4:
V
OUT
< GND, V
Operating Ranges (Note 1)
Characteristics
Symbol
Rating
Unit
Supply voltage
Input voltage
V
4.5 to 5.5
0 to 5.5
0 to 5.5
V
V
CC
V
IN
(Note 2)
(Note 3)
V
Output voltage
V
OUT
0 to V
V
CC
Operating temperature
Input rise and fall time
T
−40 to 85
°C
ns/V
opr
dt/dv
0 to 20
Note 1: The operating ranges must be maintained to ensure the normal operation of the device.
Unused inputs must be tied to either VCC or GND.
Note 2:
V
CC
= 0 V
Note 3: High or low state
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2007-10-19
TC7MP85400FT
Electrical Characteristics
DC Characteristics
Ta = −40 to
Test Condition
Ta = 25°C
85°C
Unit
Characteristics
Symbol
V
(V)
Min
2.0
⎯
Max
⎯
Min
2.0
⎯
Typ.
⎯
Max
⎯
CC
High level
V
⎯
⎯
4.5 to 5.5
4.5 to 5.5
4.5
IH
Input
voltage
V
V
Low level
High level
V
⎯
0.8
⎯
0.8
⎯
IL
V
I
I
I
I
= −50 μA
= −4 mA
= 50 μA
= 4 mA
4.4
3.94
⎯
4.5
⎯
4.4
3.8
⎯
IN
IH
IL
OH
OH
OL
OL
V
= V or
V
OH
4.5
⎯
⎯
Output
voltage
V
4.5
0.0
⎯
0.1
0.36
0.1
0.44
IN
IH
IL
Low level
V
= V or
V
OL
4.5
⎯
⎯
Input leakage current
I
V
V
= GND
= GND
0 to 5.5
5.5
⎯
⎯
⎯
⎯
0.1
4.0
⎯
⎯
1.0
μA
μA
IN
IN
IN
I
40.0
CCL
Quiescent supply
current
Per input: V = 3.4 V
Other input: GND
IN
I
5.5
0
⎯
⎯
⎯
⎯
1.35
0.5
⎯
⎯
1.5
5.0
mA
CCT
Output leakage
current
I
V
= 5.5 V
OUT
μA
OPD
AC Characteristics (input: t = t = 3 ns)
r
f
Ta = −40 to
Test Condition
(V)
Ta = 25°C
85°C
Unit
ns
Characteristics
Symbol
V
C (pF)
L
Min
1.0
1.0
Max
7.0
Min
⎯
Typ.
4.5
Max
6.0
CC
t
t
15
50
pLH
pHL
Propagation delay
time
⎯
5.0 ± 0.5
⎯
6.5
8.5
10.0
t
osLH
Output to output skew
(Note 1) 5.0 ± 0.5
50
⎯
⎯
⎯
1.0
⎯
⎯
1.0
ns
t
osHL
Power dissipation
capacitance
C
(Note 2)
19
⎯
⎯
pF
PD
Note 1: Parameter guaranteed by design.
= |t − t |, t
t
= |t
− t
|
pHLn
osLH
pLHm
pLHn osHL
pHLm
Note 2:
C
PD
is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption without load.
Average operating current can be obtained by the equation:
I
= C ·V ·f + I /8 (per bit)
PD CC IN CC
CC (opr)
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2007-10-19
TC7MP85400FT
Noise Characteristics (input: t = t = 3 ns)
r
f
Test Condition
Ta = 25°C
Unit
Characteristics
Symbol
V
(V)
Typ.
0.35
Limit
⎯
CC
Quiet output maximum dynamic V
V
V
C
C
= 50 pF
= 50 pF
5.0
V
V
OL
OLP
OLV
L
Quiet output minimum dynamic V
5.0
5.0
−0.35
⎯
OL
L
Minimum high level dynamic input
voltage
V
C
= 50 pF
= 50 pF
⎯
⎯
2.0
0.8
V
V
IHD
L
L
Maximum low level dynamic input
voltage
V
C
5.0
ILD
5
2007-10-19
TC7MP85400FT
Package Dimensions
Weight: 0.08 g (typ.)
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2007-10-19
TC7MP85400FT
RESTRICTIONS ON PRODUCT USE
20070701-EN GENERAL
• The information contained herein is subject to change without notice.
• TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor
devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical
stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of
safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of
such TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as
set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and
conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability
Handbook” etc.
• The TOSHIBA products listed in this document are intended for usage in general electronics applications
(computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,
etc.).These TOSHIBA products are neither intended nor warranted for usage in equipment that requires
extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or
bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or
spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments,
medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in his
document shall be made at the customer’s own risk.
• The products described in this document shall not be used or embedded to any downstream products of which
manufacture, use and/or sale are prohibited under any applicable laws and regulations.
• The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which
may result from its use. No license is granted by implication or otherwise under any patents or other rights of
TOSHIBA or the third parties.
• Please contact your sales representative for product-by-product details in this document regarding RoHS
compatibility. Please use these products in this document in compliance with all applicable laws and regulations
that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses
occurring as a result of noncompliance with applicable laws and regulations.
7
2007-10-19
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