74LVC244AMTR STMicroelectronics, 74LVC244AMTR Datasheet

IC BUFF/DVR TRI-ST DUAL 20SOIC

74LVC244AMTR

Manufacturer Part Number
74LVC244AMTR
Description
IC BUFF/DVR TRI-ST DUAL 20SOIC
Manufacturer
STMicroelectronics
Series
74LVCr
Datasheet

Specifications of 74LVC244AMTR

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
1.65 V ~ 3.6 V
Operating Temperature
-55°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Part Number:
74LVC244AMTR
Manufacturer:
ST
0
DESCRIPTION
The 74LVC244A is a low voltage CMOS OCTAL
BUS
sub-micron silicon gate and double-layer metal
wiring C
V
applications.
Figure 1: Pin Connection And IEC Logic Symbols
July 2004
.
CC
5V TOLERANT INPUTS
HIGH SPEED: t
POWER DOWN PROTECTION ON INPUTS
AND OUTPUTS
SYMMETRICAL OUTPUT IMPEDANCE:
|I
PCI BUS LEVELS GUARANTEED AT 24 mA
BALANCED PROPAGATION DELAYS:
t
OPERATING VOLTAGE RANGE:
V
Retention)
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 244
LATCH-UP PERFORMANCE EXCEEDS
500mA (JESD 17)
ESD PERFORMANCE:
HBM > 2000V (MIL STD 883 method 3015);
MM > 200V
PLH
OH
CC
operations and low power and low noise
| = I
(OPR) = 1.65V to 3.6V (1.2V Data
BUFFER
2
LOW VOLTAGE CMOS QUAD BUS BUFFERS (3-STATE)
MOS technology. It is ideal for 1.65 to 3.6
t
PHL
OL
= 24mA (MIN) at V
PD
(3-STATE)
= 5.9ns (MAX.) at V
CC
fabricated
= 3V
CC
= 3V
with
Table 1: Order Codes
It can be interfaced to 5V signal environment for
inputs in mixed 3.3/5V system.
G control output governs four BUS BUFFERs.
This device is designed to be used with 3 state
memory address drivers, etc.
It has more speed performance at 3.3V than 5V
AC/ACT family, combined with a lower power
consumption.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
PACKAGE
TSSOP
SOP
HIGH PERFORMANCE
SOP
74LVC244A
Rev. 5
74LVC244AMTR
74LVC244ATTR
TSSOP
T & R
1/12

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74LVC244AMTR Summary of contents

Page 1

... AC/ACT family, combined with a lower power consumption. fabricated with All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. 74LVC244A HIGH PERFORMANCE SOP TSSOP PACKAGE T & R SOP 74LVC244AMTR TSSOP 74LVC244ATTR Rev. 5 1/12 ...

Page 2

Figure 2: Input And Output Equivalent Circuit Table 2: Pin Description PIN N° SYMBOL NAME AND FUNCTION 1 1G Output Enable Input 1A1 to 1A4 Data Inputs 2Y1 to 2Y4 Data ...

Page 3

Table 5: Recommended Operating Conditions Symbol V Supply Voltage (note Input Voltage I V Output Voltage (High Impedance Output Voltage (High or Low State High or Low Level Output ...

Page 4

Table 7: Dynamic Switching Characteristics Symbol Parameter V Dynamic Low Level Quiet OLP Output (note 1) V OLV 1) Number of output defined as "n". Measured with "n-1" outputs switching from HIGH to LOW or LOW to HIGH. The ...

Page 5

Figure 3: Test Circuit pulse generator (typically OUT Table 10: Test Circuit And Waveform Symbol Value Symbol 1.65 to 1.95V C 30pF 1000 ...

Page 6

Figure 5: Waveform - Output Enable And Disable Time (f=1MHz; 50% duty cycle) 6/12 ...

Page 7

SO-20 MECHANICAL DATA DIM. MIN. A 2.35 A1 0.1 B 0.33 C 0.23 D 12. 10.00 h 0.25 L 0.4 k 0° ddd mm. TYP MAX. 2.65 0.093 0.30 0.004 0.51 0.013 0.32 0.009 13.00 0.496 ...

Page 8

DIM. MIN 0.05 A2 0.8 b 0.19 c 0.09 D 6.4 E 6 0˚ PIN 1 IDENTIFICATION 1 8/12 TSSOP20 MECHANICAL DATA mm. TYP MAX. 1.2 0.15 ...

Page 9

Tape & Reel SO-20 MECHANICAL DATA DIM. MIN 12 10.8 Bo 13.2 Ko 3.1 Po 3.9 P 11.9 mm. TYP MAX. 330 13.2 0.504 0.795 2.362 30.4 11 0.425 13.4 0.520 3.3 ...

Page 10

Tape & Reel TSSOP20 MECHANICAL DATA DIM. MIN 12 6.8 Bo 6.9 Ko 1.7 Po 3.9 P 11.9 10/12 mm. TYP MAX. 330 13.2 0.504 0.795 2.362 22.4 7 0.268 7.1 ...

Page 11

Table 11: Revision History Date Revision 26-Jul-2004 5 Description of Changes Ordering Codes Revision - pag. 1. 74LVC244A 11/12 ...

Page 12

... 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. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics ...

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