74AC244MTR STMicroelectronics, 74AC244MTR Datasheet

IC BUFF/DVR TRI-ST DUAL 20SOIC

74AC244MTR

Manufacturer Part Number
74AC244MTR
Description
IC BUFF/DVR TRI-ST DUAL 20SOIC
Manufacturer
STMicroelectronics
Series
74ACr
Datasheet

Specifications of 74AC244MTR

Logic Type
Buffer/Line Driver, Non-Inverting
Number Of Elements
2
Number Of Bits Per Element
4
Current - Output High, Low
24mA, 24mA
Voltage - Supply
2 V ~ 6 V
Operating Temperature
-55°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
20-SOIC (7.5mm Width)
Logic Family
AC
Number Of Channels Per Chip
8
Polarity
Non-Inverting
Supply Voltage (max)
6 V
Supply Voltage (min)
2 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
High Level Output Current
- 24 mA
Low Level Output Current
24 mA
Minimum Operating Temperature
- 55 C
Number Of Lines (input / Output)
8 / 3
Output Type
3-State
Propagation Delay Time
9 ns at 3.3 V, 7 ns at 5 V
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
497-1023-2

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
74AC244MTR
Manufacturer:
ST
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Part Number:
74AC244MTR
Manufacturer:
ST
Quantity:
20 000
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 C
The G input controls four BUS BUFFERs.
PIN CONNECTION AND IEC LOGIC SYMBOLS
April 2001
HIGH SPEED: t
LOW POWER DISSIPATION:
I
HIGH NOISE IMMUNITY:
V
50 TRANSMISSION LINE DRIVING
CAPABILITY
SYMMETRICAL OUTPUT IMPEDANCE:
|I
BALANCED PROPAGATION DELAYS:
t
OPERATING VOLTAGE RANGE:
V
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 244
IMPROVED LATCH-UP IMMUNITY
CC
PLH
OH
NIH
CC
= 4 A(MAX.) at T
| = I
(OPR) = 2V to 6V
2
= V
MOS tecnology.
t
PHL
OL
NIL
= 24mA (MIN)
= 28 % V
PD
= 3.8ns (TYP.) at V
A
CC
=25°C
(MIN.)
WITH 3 STATE OUTPUTS (NON INVERTED)
CC
= 5V
ORDER CODES
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.
PACKAGE
TSSOP
SOP
DIP
DIP
OCTAL BUS BUFFER
74AC244M
74AC244B
TUBE
SOP
74AC244
74AC244MTR
74AC244TTR
TSSOP
T & R
1/9

Related parts for 74AC244MTR

74AC244MTR Summary of contents

Page 1

... 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. 74AC244 SOP TSSOP TUBE T & R 74AC244B 74AC244M 74AC244MTR 74AC244TTR 1/9 ...

Page 2

INPUT AND OUTPUT EQUIVALENT CIRCUIT TRUTH TABLE Don’t Care Z : High Impedance ABSOLUTE MAXIMUM RATINGS Symbol V Supply Voltage Input Voltage Output Voltage ...

Page 3

DC SPECIFICATIONS Symbol Parameter V (V) V High Level Input 3.0 IH Voltage 4.5 5.5 V Low Level Input 3.0 IL Voltage 4.5 5.5 V High Level Output 3.0 OH Voltage 4.5 5.5 3.0 4.5 5.5 V Low Level Output ...

Page 4

AC ELECTRICAL CHARACTERISTICS (C Symbol Parameter V ( Propagation Delay 3.3 PLH PHL Time 5 Output Enable 3.3 PZL PZH Time 5 Output Disable 3.3 PLZ PHZ Time 5.0 (*) Voltage range is ...

Page 5

WAVEFORM 1: PROPAGATION DELAYS (f=1MHz; 50% duty cycle) WAVEFORM 2: OUTPUT ENABLE AND DISABLE TIME (f=1MHz; 50% duty cycle) 74AC244 5/9 ...

Page 6

Plastic DIP-20 (0.25) MECHANICAL DATA DIM. MIN. a1 0.254 B 1. 6/9 mm TYP. MAX. MIN. 0.010 1.65 0.055 0.45 0.25 25.4 8.5 2.54 22.86 7.1 3.93 3.3 1.34 ...

Page 7

SO-20 MECHANICAL DATA mm DIM. MIN. TYP 0. 0.35 b1 0. 12.60 E 10.00 e 1.27 e3 11.43 F 7. inch MAX. MIN. TYP. 2.65 0.20 0.004 2.45 ...

Page 8

DIM. MIN 0.05 A2 0.85 b 0.19 c 0.09 D 6.4 E 6. PIN 1 IDENTIFICATION 1 8/9 TSSOP20 MECHANICAL DATA mm TYP. MAX. 1.1 ...

Page 9

... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied ...

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