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74ACT244TTR Datasheet

  • 74ACT244TTR

  • Dual 4-Bit Non-Inverting Buffer/Driver

  • 71.01KB

  • 9頁

  • ETC

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74ACT244
OCTAL BUS BUFFER
WITH 3 STATE OUTPUTS (NON INVERTED)
s
s
s
s
s
s
s
s
s
HIGH SPEED: t
PD
= 4.6 ns (TYP.) at V
CC
= 5V
LOW POWER DISSIPATION:
I
CC
= 4
碌A(chǔ)(MAX.)
at T
A
=25擄C
COMPATIBLE WITH TTL OUTPUTS
V
IH
= 2V (MIN.), V
IL
= 0.8V (MAX.)
50鈩?TRANSMISSION LINE DRIVING
CAPABILITY
SYMMETRICAL OUTPUT IMPEDANCE:
|I
OH
| = I
OL
= 24mA (MIN)
BALANCED PROPAGATION DELAYS:
t
PLH
鈮?/div>
t
PHL
OPERATING VOLTAGE RANGE:
V
CC
(OPR) = 4.5V to 5.5V
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 244
IMPROVED LATCH-UP IMMUNITY
DIP
SOP
TSSOP
ORDER CODES
PACKAGE
DIP
SOP
TSSOP
TUBE
74ACT244B
74ACT244M
T&R
74ACT244MTR
74ACT244TTR
DESCRIPTION
The 74ACT244 is an advanced high-speed CMOS
OCTAL BUS BUFFER (3-STATE) fabricated with
sub-micron silicon gate and double-layer metal
wiring C
2
MOS tecnology.
The G input controls four BUS BUFFERs.
This device is designed 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
April 2001
1/9

74ACT244TTR 產(chǎn)品屬性

  • 1

  • 集成電路 (IC)

  • 邏輯 - 緩沖器，驅(qū)動器，接收器，收發(fā)器

  • 74ACT

  • 緩沖器/線路驅(qū)動器，非反相

  • 2

  • 4

  • 24mA，24mA

  • 4.5 V ~ 5.5 V

  • -55°C ~ 125°C

  • 表面貼裝

  • 20-TSSOP（0.173"，4.40mm 寬）

  • 20-TSSOP

  • Digi-Reel®

  • 497-2916-6

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