TC74LCX245F Datasheet PDF - Toshiba Semiconductor
| Part Number | TC74LCX245F | |
| Description | LOW VOLTAGE OCTAL BUS TRANSCEIVER WITH 5V TOLERANT INPUTS AND OUTPUTS | |
| Manufacturers | Toshiba Semiconductor | |
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TC74LCX245F/FW/FT
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74LCX245F,TC74LCX245FW,TC74LCX245FT
Low-Voltage Octal Bus Transceiver with 5-V Tolerant Inputs and Outputs
The TC74LCX245F/FW/FT is a high-performance CMOS octal
bus transceiver. Designed for use in 3.3-V systems, it achieves
high-speed operation while maintaining the CMOS low power
dissipation.
The device is designed for low-voltage (3.3 V) VCC applications,
but it could be used to interface to 5-V supply environment for
both inputs and outputs.
The direction of data transmission is determined by the level of
the DIR input. The enable input (OE) can be used to disable the
device so that the busses are effectively isolated.
All inputs are equipped with protection circuits against static
discharge.
Note: xxxFW (JEDEC SOP) is not available in
Japan.
TC74LCX245F
TC74LCX245FW
Features
· Low-voltage operation: VCC = 2.0 to 3.6 V
· High-speed operation: tpd = 7.0 ns (max) (VCC = 3.0 to 3.6 V)
· Ouput current: |IOH|/IOL = 24 mA (min) (VCC = 3.0 V)
· Latch-up performance: ±500 mA
· Available in JEDEC SOP, JEITA SOP and TSSOP
www.DataSheet4U.com· Bidirectional interface between 5.0 V and 3.3 V signals
TC74LCX245FT
· Power-down protection provided on all inputs and outputs
· Pin and function compatible with the 74 series
(74AC/VHC/HC/F/ALS/LS etc.) 245 type
Note: Do not apply a signal to any bus pins when it is in the
output mode. Damage may result.
All floating (high impedance) bus pins must have their
input levels fixed by means of pull-up or pull-down
resistors.
Weight
SOP20-P-300-1.27: 0.22 g (typ.)
SOL20-P-300-1.27: 0.46 g (typ.)
TSSOP20-P-0044-0.65: 0.08 g (typ.)
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Dynamic Switching Characteristics
(Ta = 25°C, input: tr = tf = 2.5 ns, CL = 50 pF, RL = 500 W)
Characteristics
Quiet output maximum
dynamic VOL
Quiet output minimum
dynamic VOL
Symbol
Test Condition
VOLP VIH = 3.3 V, VIL = 0 V
|VOLV| VIH = 3.3 V, VIL = 0 V
Capacitive Characteristics (Ta = 25°C)
TC74LCX245F/FW/FT
Typ.
VCC (V)
3.3 0.8
Unit
V
3.3 0.8
V
Characteristics
Input capacitance
Bus input capacitance
Power dissipation capacitance
Symbol
CIN
CI/O
CPD
DIR, OE
An, Bn
fIN = 10 MHz
Test Condition
VCC (V)
3.3
Typ.
7
3.3 8
(Note 11) 3.3
25
Unit
pF
pF
pF
Note 11: CPD 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:
ICC (opr) = CPD･VCC･fIN + ICC/8 (per bit)
AC Test Circuit
Output
Open
www.DataSheet4U.comSwitch
6.0 V
GND
Parameter
Switch
tpLH, tpHL
Open
Measure
tpLZ, tpZL
6.0 V
CL = 50 pF
tpHZ, tpZH
GND
RL = 500 W
AC Waveform
Input
(An, Bn)
Output
(Bn, An)
Figure 1
tr 2.5 ns
tf 2.5 ns
90%
1.5 V
10%
tpLH
1.5 V
tpHL
Figure 2 tpLH, tpHL
2.7 V
GND
VOH
VOL
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for TC74LCX245F electronic component. |
| Information | Total 10 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ TC74LCX245F.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| TC74LCX245F | The function is LOW VOLTAGE OCTAL BUS TRANSCEIVER WITH 5V TOLERANT INPUTS AND OUTPUTS. Toshiba Semiconductor | |
| TC74LCX245FT | The function is LOW VOLTAGE OCTAL BUS TRANSCEIVER WITH 5V TOLERANT INPUTS AND OUTPUTS. Toshiba Semiconductor | |
| TC74LCX245FW | The function is LOW VOLTAGE OCTAL BUS TRANSCEIVER WITH 5V TOLERANT INPUTS AND OUTPUTS. Toshiba Semiconductor | |
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