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TC7MP85412FT [TOSHIBA]

IC P SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, 4.40 MM, 0.65 MM PITCH, PLASTIC, TSSOP-20, Bus Driver/Transceiver;
TC7MP85412FT
型号： TC7MP85412FT
厂家： TOSHIBA    TOSHIBA
描述：

IC P 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 逻辑集成电路
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TC7MP85412FT  
TOSHIBA CMOS Digital Integrated Circuit  
Silicon Monolithic  
TC7MP85412FT  
Octal Bus Buffer with Input Pull-down and Output Series Resistor  
The TC7MP85412 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  
TC7MP85412 can be used as a level converter for interfacing  
3.3-V systems to 5-V systems.  
The TC7MP85412 is a non-inverting bus buffer.  
All inputs have an 830-Ω (typ.) pull-down resistor for improved  
system noise immunity. The outputs have 47-Ω (typ.) resistors  
connected in series, which can reduce reflection noise without  
using external resistors.  
Weight: 0.08 g (typ.)  
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.  
Since power-down protection is provided on both inputs and outputs, the TC7MP85412 can be used in a wide range  
of applications, such as interfacing between two different voltage systems, backup battery systems and so on.  
*1:Vcc=0V  
Features  
•
•
•
•
Inputs are equipped with an 830-Ω (typ.) pull-down resistor.  
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
= 2.0 V (max)  
IH  
Power-down protection is provided on all inputs.  
Low noise: V = 0.35 V (typ.)  
•
•
OLP  
1
2006-11-14  
TC7MP85412FT  
Pin Assignment  
TC7MP85412FT  
N.C  
1
2
20  
19  
V
CC  
N.C  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
18 Y1  
17 Y2  
16 Y3  
15 Y4  
14 Y5  
13 Y6  
12 Y7  
11 Y8  
3
4
5
6
7
8
9
GND 10  
(top view)  
Truth Table  
Inputs  
Outputs  
An  
L
Yn  
L
H
H
Circuit Schematic (1/8 Package)  
Rout  
A1 - A8  
Y1 - Y8  
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2006-11-14  
TC7MP85412FT  
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.  
Note 2:  
V
CC  
= 0 V  
Note 3: High or Low stats. I  
absolute maximum rating must be observed.  
CC  
OUT  
Note 4:  
V
OUT  
< GND, V  
OUT  
> V  
Operating Range (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  
CC  
V
Operating temperature  
Input rise and fall time  
T
−40 to 85  
°C  
ns/V  
opr  
dt/dv  
0 to 20  
Note 1: The operating range 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  
3
2006-11-14  
TC7MP85412FT  
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  
Low level  
V
⎯
⎯
4.5 to 5.5  
4.5 to 5.5  
4.5  
IH  
Input  
voltage  
V
V
⎯
0.8  
⎯
0.8  
⎯
IL  
V
I
I
I
I
= −50 µA  
= −4 mA  
= 50 µA  
= 4 mA  
4.4  
4.5  
4.4  
IN  
IH  
OH  
OH  
OL  
OL  
High level  
Low level  
V
OH  
= V or  
V
IL  
4.5  
4.5  
4.5  
3.94  
⎯
⎯
0.0  
⎯
⎯
0.1  
3.8  
⎯
⎯
0.1  
Output  
voltage  
V
V
IN  
IH  
V
= V or  
V
IL  
OL  
⎯
0.36  
⎯
0.44  
Input leakage current  
I
V
= 5.5 V (Per input)  
0 to 5.5  
⎯
10.0  
⎯
8.5  
12.8  
mA  
IN  
IN  
Input pull-down  
resistor  
R
V
V
= 3.3 V  
= GND  
5.0  
5.5  
5.5  
⎯
⎯
⎯
830  
⎯
⎯
4.0  
660  
⎯
1000  
40.0  
1.5  
Ω
pd  
IN  
IN  
I
µA  
mA  
CCL  
CCT  
Quiescent supply  
current  
Per input: V = 3.4 V  
Other input: GND  
IN  
I
⎯
1.35  
⎯
Output leakage  
current  
I
V
= 5.5 V  
OUT  
0
⎯
⎯
0.5  
⎯
5.0  
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  
pLH  
pHL  
Propagation delay  
time  
⎯
5.0 ± 0.5  
50  
⎯
6.5  
8.5  
10.0  
t
t
osLH  
osHL  
Output to output skew  
(Note 1) 5.0 ± 0.5  
50  
⎯
⎯
⎯
1.0  
⎯
⎯
1.0  
ns  
pF  
Power dissipation  
capacitance  
C
(Note 2)  
19  
⎯
⎯
PD  
Note 1: Parameter guaranteed by design.  
= |t − t |, t  
t
= |t  
pHLm  
− t |  
pHLn  
osLH  
pLHm  
pLHn osHL  
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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2006-11-14  
TC7MP85412FT  
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
L
Quiet output minimum dynamic V  
5.0  
5.0  
−0.35  
⎯
OL  
Minimum high level dynamic input  
voltage  
V
C
C
= 50 pF  
= 50 pF  
⎯
⎯
2.0  
0.8  
V
V
IHD  
L
L
Maximum low level dynamic input  
voltage  
V
5.0  
ILD  
5
2006-11-14  
TC7MP85412FT  
Package Dimensions  
Weight: 0.08 g (typ.)  
6
2006-11-14  
TC7MP85412FT  
RESTRICTIONS ON PRODUCT USE  
060925EBA  
• The information contained herein is subject to change without notice. 021023_D  
• 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. 021023_A  
• 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 this  
document shall be made at the customer’s own risk. 021023_B  
• 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. 060106_Q  
• 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 patent or patent rights of  
TOSHIBA or others. 021023_C  
• The products described in this document are subject to foreign exchange and foreign trade control laws. 060925_E  
7
2006-11-14  

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