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PDF 74ACT244 Data sheet ( Hoja de datos )
| Número de pieza | 74ACT244 | |
| Descripción | OCTAL BUS BUFFER WITH 3 STATE OUTPUTS NON INVERTED | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de 74ACT244 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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® 74ACT244
OCTAL BUS BUFFER
WITH 3 STATE OUTPUTS (NON INVERTED)
s HIGH SPEED: tPD = 4.5 ns (TYP.) at VCC = 5V
s LOW POWER DISSIPATION:
ICC = 8 µA (MAX.) at TA = 25 oC
s COMPATIBLE WITH TTL OUTPUTS
VIH = 2V (MIN), VIL = 0.8V (MAX)
s 50Ω TRANSMISSION LINE DRIVING
CAPABILITY
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 24 mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH ≅ tPHL
s OPERATING VOLTAGE RANGE:
VCC (OPR) = 4.5V to 5.5V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 244
s IMPROVED LATCH-UP IMMUNITY
DESCRIPTION
The ACT244 is an advanced CMOS OCTAL BUS
BUFFER (3-STATE) fabricated with sub-micron
silicon gate and double-layer metal wiring C2MOS
technology. It is ideal for low power applications
mantaining high speed operation similar to
equivalent Bipolar Schottky TTL.
B
(Plastic Package)
ORDER CODES :
74ACT244B
74ACT244M
74ACT244T
M
(Micro Package)
T
(TSSOP Package)
G control output governs four BUS BUFFERs.
This device is desibned to be used with 3 state
memory address drivers, etc.
The device is designed to interface directly High
Speed CMOS systems with TTL, NMOS and
CMOS output voltage levels.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
February 1999
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1 page  
WAVEFORM 1: PROPAGATION DELAYS (f=1MHz; 50% duty cycle)
74ACT244
WAVEFORM 2: OUTPUT ENABLE AND DISABLE TIME (f=1MHz; 50% duty cycle)
5/9
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet 74ACT244.PDF ] | |
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