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PDF TC74LVX244FT Data sheet ( Hoja de datos )
| Número de pieza | TC74LVX244FT | |
| Descripción | (TC74LVX240Fx / TC74LVX244Fx) OCTAL BUS BUFFER INVERTED/NON-INVERTED 3-STATE OUTPUTS | |
| Fabricantes | Toshiba Semiconductor | |
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TC74LVX240,244F/FW/FT
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74LVX240F,TC74LVX240FW,TC74LVX240FT
TC74LVX244F,TC74LVX244FW,TC74LVX244FT
Octal Bus Buffer
TC74LVX240 Inverted, 3-State Outputs
TC74LVX244 Non-Inverted, 3-State Outputs
The TC74LVX240,244F/ FW/ FT is a high-speed CMOS OCTAL
BUS BUFFER fabricated using silicon gate CMOS technology.
Designed for use in 3-V systems, it achieves high-speed operation
while maintaining the CMOS low power dissipation. This device
is suitable for low-voltage and battery operated systems.
The TC74LVX240 is an inverting 3-state buffer while the
TC74LVX244 is non-inverting. Both devices have two active-low
output enables. These devices are designed to be used in such
applications as 3-state memory address drivers.
An input protection circuit ensures that 0 to 5.5V can be
applied to the input pins without regard to the supply voltage.
This device can be used to interface 5V to 3V systems and two
supply systems such as battery back up. This circuit prevents
device destruction due to mismatched supply and input voltages.
Note: xxxFW (JEDEC SOP) is not available in
Japan.
TC74LVX240F, TC74LVX244F
TC74LVX240FW, TC74LVX244FW
Features
· High-speed: tpd = 4.7 ns (typ.) (VCC = 3.3 V)
www.DataSheet4U.com· Low power dissipation: ICC = 4 µA (max) (Ta = 25°C)
TC74LVX240FT, TC74LVX244FT
· Input voltage level: VIL = 0.8 V (max) (VCC = 3 V)
VIH = 2.0 V (min) (VCC = 3 V)
· Power-down protection provided on all inputs
· Balanced propagation delays: tpLH ≈ tpHL
· Low niose: VOLP = 0.8 V (max)
· Pin and function compatible with 74HC240/244
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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1 2002-01-16
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TC74LVX240,244F/FW/FT
Noise Characteristics (Ta = 25°C, input: tr = tf = 3 ns, CL = 50 pF)
Characteristics
Quiet output maximum dynamic
Quiet output minimum dynamic
Minimum high level dynamic input
voltage
Maximum low level dynamic input
voltage
Symbol
VOL
VOL
VIH
VOLP
VOLV
VIHD
VIL VILD
Test Condition
¾
¾
¾
¾
Typ.
VCC (V)
3.3 0.5
3.3 -0.5
3.3 ¾
Limit
0.8
-0.8
2.0
Unit
V
V
V
3.3 ¾ 0.8 V
Input Equivalent Circuit
INPUT
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5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet TC74LVX244FT.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| TC74LVX244F | (TC74LVX240Fx / TC74LVX244Fx) OCTAL BUS BUFFER INVERTED/NON-INVERTED 3-STATE OUTPUTS | Toshiba Semiconductor |
| TC74LVX244FT | (TC74LVX240Fx / TC74LVX244Fx) OCTAL BUS BUFFER INVERTED/NON-INVERTED 3-STATE OUTPUTS | Toshiba Semiconductor |
| TC74LVX244FW | (TC74LVX240Fx / TC74LVX244Fx) OCTAL BUS BUFFER INVERTED/NON-INVERTED 3-STATE OUTPUTS | Toshiba Semiconductor |
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