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Toshiba Electronic Components Datasheet

TC74VCXR2245FK Datasheet

Low-Voltage Octal Bus Transceiver

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TC74VCXR2245FT/FK/FTG
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VCXR2245FT, TC74VCXR2245FK, TC74VCXR2245FTG
Low-Voltage Octal Bus Transceiver with 3.6-V Tolerant Inputs and Outputs
The TC74VCXR2245 is a high-performance CMOS octal bus
transceiver. Designed for use in 1.8-V, 2.5-V or 3.3-V systems, it
achieves high-speed operation while maintaining the CMOS low
power dissipation.
It is also designed with overvoltage tolerant inputs and outputs up
to 3.6 V.
The direction of data transmission is determined by the level of the
DIR inputs. The OE inputs can be used to disable the device so
that the busses are effectively isolated. The 26-series resistor
helps reducing output overshoot and undershoot without external
resistor.
All inputs are equipped with protection circuits against static
discharge.
TC74VCXR2245FT
TC74VCXR2245FK
Features (Note 1)
26-series resistors on outputs
Low-voltage operation: VCC = 1.8 to 3.6 V
High-speed operation: tpd = 4.4 ns (max) (VCC = 3.0 to 3.6 V)
tpd = 5.6 ns (max) (VCC = 2.3 to 2.7 V)
tpd = 9.8 ns (max) (VCC = 1.8 V)
TC74VCXR2245FTG
Output current: IOH/IOL = ±12 mA (min) (VCC = 3.0 V)
IOH/IOL = ±8 mA (min) (VCC = 2.3 V)
IOH/IOL = ±4 mA (min) (VCC = 1.8 V)
Latch-up performance: 300 mA
ESD performance: Machine model ≥ ±200 V
Human body model ≥ ±2000 V
Package: TSSOP
VSSOP (US)
VQON
VQON20-0404-0.50
Weight
TSSOP20-P-0044-0.65A
VSSOP20-P-0030-0.50
VQON20-P-0404-0.50
: 0.08 g (typ.)
: 0.03 g (typ.)
: 0.0145g (typ.)
3.6-V tolerant function and power-down protection provided on all inputs and outputs
Note 1: When mounting VQON package, the type of recommended flux is RA or RMA.
Start of commercial production
1998-06
1
2014-03-01


Toshiba Electronic Components Datasheet

TC74VCXR2245FK Datasheet

Low-Voltage Octal Bus Transceiver

No Preview Available !

Pin Assignment (top view)
FT(TSSOP20-P-0044-0.65)
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
TC74VCXR2245FT/FK/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
IEC Logic Symbol
19
OE
1
DIR
2
A1
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
G3
3 EN 1 [BA]
3 EN 2 [AB]
1
2
18
B1
17 B2
16 B3
15 B4
14 B5
13 B6
12 B7
11 B8
Truth Table
Inputs
OE
DIR
L
L
L
H
H
X
X: Don’t care
Z: High impedance
Outputs
A=B
B=A
Z
Function
A-Bus
B-Bus
OUTPUT
INPUT
INPUT
OUTPUT
Z
2
2014-03-01


Part Number TC74VCXR2245FK
Description Low-Voltage Octal Bus Transceiver
Maker Toshiba
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TC74VCXR2245FK Datasheet PDF






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