74lvx240ttr STMicroelectronics, 74lvx240ttr Datasheet

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74lvx240ttr

Manufacturer Part Number
74lvx240ttr
Description
Low Voltage Cmos Octal Bus Buffer 3-state Inv. With 5v Tolerant Inputs
Manufacturer
STMicroelectronics
Datasheet

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74LVX240TTR
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DESCRIPTION
The 74LVX240 is a low voltage CMOS OCTAL
BUS
sub-micron silicon gate and double-layer metal
wiring C
power, battery operated and low noise 3.3V
applications.
Figure 1: Pin Connection And IEC Logic Symbols
August 2004
LOW VOLTAGE CMOS OCTAL BUS BUFFER (3-STATE INV.)
HIGH SPEED:
t
5V TOLERANT INPUTS
POWER-DOWN PROTECTION ON INPUTS
INPUT VOLTAGE LEVEL:
V
LOW POWER DISSIPATION:
I
LOW NOISE:
V
SYMMETRICAL OUTPUT IMPEDANCE:
|I
BALANCED PROPAGATION DELAYS:
t
OPERATING VOLTAGE RANGE:
V
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 240
IMPROVED LATCH-UP IMMUNITY
PD
CC
PLH
OH
IL
OLP
CC
=4.7ns (TYP.) at V
= 0.8V, V
= 4 A (MAX.) at T
| = I
(OPR) = 2V to 3.6V (1.2V Data Retention)
BUFFER
= 0.3V (TYP.) at V
2
t
MOS technology. It is ideal for low
PHL
OL
= 4 mA (MIN) at V
IH
= 2V at V
(3-STATE)
CC
A
=25°C
CC
CC
= 3.3V
=3.3V
=3V
CC
fabricated
=3V
with
WITH 5V TOLERANT INPUTS
Table 1: Order Codes
G output enable governs four BUS BUFFERs
Power down protection is provided on all inputs
and 0 to 7V can be accepted on inputs with no
regard to the supply voltage.
This device can be used to interface 5V to 3V. It
combines high speed performance with the true
CMOS low 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
SOP
74LVX240
Rev. 3
74LVX240MTR
74LVX240TTR
TSSOP
T & R
1/12

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74lvx240ttr Summary of contents

Page 1

... CMOS low power consumption. All inputs and outputs are equipped with fabricated with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. 74LVX240 SOP TSSOP PACKAGE T & R SOP 74LVX240MTR TSSOP 74LVX240TTR Rev. 3 1/12 ...

Page 2

Figure 2: Input Equivalent Circuit Table 3: Truth Table :Don‘t Care Z : High Impedance Table 4: Absolute Maximum Ratings Symbol V Supply Voltage Input Voltage Output Voltage ...

Page 3

Table 6: DC Specifications Symbol Parameter V High Level Input IH Voltage V Low Level Input IL Voltage V High Level Output OH Voltage V Low Level Output OL Voltage I High Impedance OZ Output Leakage Current I Input Leakage ...

Page 4

Table 8: AC Electrical Characteristics (Input t Symbol Parameter t Propagation Delay PLH Time t PHL 3.3 3.3 t Output Enable PZL Time t PZH 3.3 3.3 t Output Disable PLZ t Time 3.3 PHZ Output to Output t ...

Page 5

Figure 3: Test Circuit PLH PHL PZL PLZ PZH PHZ C =15/50pF or equivalent (includes jig and probe capacitance equivalent ...

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 10: Revision History Date Revision 27-Aug-2004 3 Description of Changes Ordering Codes Revision - pag. 1. 74LVX240 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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