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Toshiba Electronic Components Datasheet

TC7MP245FK Datasheet

Low-Voltage/Low-Power Octal Bus Transceiver

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TC7MP245FK/FTG
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC7MP245FK, TC7MP245FTG
Low-Voltage/Low-Power Octal Bus Transceiver with Bus-hold
The TC7MP245 is a high-performance CMOS octal bus
transceiver. By a low power consumption circuit, power
consumption has been reduced when a bus terminal is disable state
(OE=High).
The direction of data transmission is determined by the level of the
DIR input. The OE input can be used to disable the device so that the
busses are effectively isolated.
But, bus of a B bus side at floating state is maintained in an
appropriate logic level due to a bus hold circuit to a B bus. Moreover,
the bus-hold circuit which is added to a B bus is off when OE is low.
All inputs are equipped with protection circuits against static
discharge.
TC7MP245FK
TC7MP245FTG
VQON20-P-0404-0.50
Features
Low-voltage operation
: VCC = 1.65 to 3.6 V
Weight:
VSSOP20-P-0030-0.50 : 0.03 g (typ.)
VQON20-P-0404-0.50 : 0.0145 g (typ.)
Low power current consumption : By a new input circuit, power consumption in OE=H is reduced largely.
It is most suitable for battery drive products such as personal digital
assistant or a cellular phone.
www.DataShQeueite4sUc.ceonmt supply current : ICC = 5μA(max)(Vcc=3.6V)
High-speed operation
: tpd=3.0ns(max)(Vcc=3.3±0.3V)
tpd=4.6ns(max)(Vcc=2.5±0.2V)
tpd=10.0ns(max)(Vcc=1.8±0.15V)
Output current
Latch-up performance
: IOHA/IOLA(A bus)=±12mA(min)(VCC=3.0V)
: IOHB/IOLB(B bus)=±24mA(min)(VCC=3.0V)
: ±300mA
ESD performance
: Machine model ≥ ±200 V
Human body model ≥ ±2000 V
Ultra-small package
: VSSOP(US20), VQON20
Bus hold circuit is built in only the B bus side.(Only in OE=H, a former state is maintained.)
Floating of A-bus and B-bus are permitted.(When OE=H)
Gate IC for control(TC7MP01FK) of DIR and OE terminal are prepared.
3.6V tolerant function provided on A-bus terminal, DIR and OE terminal.
Note 1: At the time bus terminal is enable state, please do not give a signal from the outside.
Note 2: When mounting VQON package, the type of recommended flux is RA or RMA.
1 2007-10-19


Toshiba Electronic Components Datasheet

TC7MP245FK Datasheet

Low-Voltage/Low-Power Octal Bus Transceiver

No Preview Available !

Pin Assighment (top view)
FK (VSSOP20-P-0030-0.50)
DIR 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
GND 10
20 VCC
19 OE
18 B1
17 B2
16 B3
15 B4
14 B5
13 B6
12 B7
11 B8
TC7MP245FK/FTG
FTG (VQON20-P-0404-0.50)
A1 DIR VCC OE B1
20 19 18 17 16
A2 1
A3 2
A4 3
A5 4
A6 5
15 B2
14 B3
13 B4
12 B5
11 B6
6 7 8 9 10
A7 A8 GND B8 B7
Truth Table
Marking
Input
DIR OE
LL
HL
XH
Bus state
BA(B=A)
AB(A=B)
Z
Bus hold circuit
(B bus)
OFF
OFF
ON*
X: Don’t care
www.DataSheet4U.Zco:mHigh impedance
*: Logic state just before becoming disable is maintained.
Note: When a bus input is in "H" state ,and an output is switched to
"enable" to "disable", Glitch such as "L" state during about
1 to 3ns occurs in an output. It is not generated when a bus
input is in "L" state.
FTG (VQON20-P-0404-0.50)
P 0 0A
****
1 pin
Product Name
Lot trace code
System Diagram
OE
DIR
A1
1/8
2
B1
2007-10-19


Part Number TC7MP245FK
Description Low-Voltage/Low-Power Octal Bus Transceiver
Maker Toshiba Semiconductor
Total Page 12 Pages
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Similar Datasheet

1 TC7MP245FK Low-Voltage/Low-Power Octal Bus Transceiver
Toshiba Semiconductor
2 TC7MP245FTG Low-Voltage/Low-Power Octal Bus Transceiver
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