74AC244_01 Datasheet, PDF (1/9 Pages) STMicroelectronics – OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (NON INVERTED)

74AC244
OCTAL BUS BUFFER
WITH 3 STATE OUTPUTS (NON INVERTED)
s HIGH SPEED: t_PD = 3.8ns (TYP.) at V_CC = 5V
s LOW POWER DISSIPATION:
I_CC = 4µA(MAX.) at T_A=25°C
s HIGH NOISE IMMUNITY:
V_NIH = V_NIL = 28 % V_CC (MIN.)
s 50Ω TRANSMISSION LINE DRIVING
CAPABILITY
s SYMMETRICAL OUTPUT IMPEDANCE:
|I_OH| = I_OL = 24mA (MIN)
s BALANCED PROPAGATION DELAYS:
t_PLH ≅ t_PHL
s OPERATING VOLTAGE RANGE:
V_CC (OPR) = 2V to 6V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 244
s IMPROVED LATCH-UP IMMUNITY
DESCRIPTION
The 74AC244 is an advanced high-speed CMOS
OCTAL BUS BUFFER (3-STATE) fabricated with
sub-micron silicon gate and double-layer metal
wiring C²MOS tecnology.
The G input controls four BUS BUFFERs.
DIP
SOP
TSSOP
ORDER CODES
PACKAGE
DIP
SOP
TSSOP
TUBE
74AC244B
74AC244M
T&R
74AC244MTR
74AC244TTR
This device is designed to be used with 3 state
memory address drivers, etc.
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
April 2001
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