74VHC20TTR STMicroelectronics, 74VHC20TTR Datasheet

IC GATE NAND DUAL 4INPUT 14TSSOP

74VHC20TTR

Manufacturer Part Number
74VHC20TTR
Description
IC GATE NAND DUAL 4INPUT 14TSSOP
Manufacturer
STMicroelectronics
Series
74VHCr
Datasheet

Specifications of 74VHC20TTR

Logic Type
NAND Gate
Number Of Inputs
4
Number Of Circuits
2
Current - Output High, Low
8mA, 8mA
Voltage - Supply
2 V ~ 5.5 V
Operating Temperature
-55°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
14-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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74VHC20TTR
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DESCRIPTION
The 74VHC20 is an advanced high-speed CMOS
DUAL 4-INPUT NAND GATE fabricated with
sub-micron silicon gate and double-layer metal
wiring C
The internal circuit is composed of 3 stages
including buffer output, which provides high noise
immunity and stable output.
Figure 1: Pin Connection And IEC Logic Symbols
November 2004
HIGH SPEED: t
LOW POWER DISSIPATION:
I
HIGH NOISE IMMUNITY:
V
POWER DOWN PROTECTION ON INPUTS
SYMMETRICAL OUTPUT IMPEDANCE:
|I
BALANCED PROPAGATION DELAYS:
t
OPERATING VOLTAGE RANGE:
V
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 20
IMPROVED LATCH-UP IMMUNITY
CC
PLH
OH
NIH
CC
= 2 A (MAX.) at T
| = I
(OPR) = 2V to 5.5V
2
= V
MOS technology.
t
PHL
OL
NIL
= 8 mA (MIN)
= 28% V
PD
= 3.3 ns (TYP.) at V
CC
A
=25°C
(MIN.)
CC
= 5V
Table 1: Order Codes
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.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
DUAL 4-INPUT NAND GATE
PACKAGE
TSSOP
SOP
SOP
Rev. 4
74VHC20
74VHC20MTR
74VHC20TTR
TSSOP
T & R
1/10

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74VHC20TTR Summary of contents

Page 1

... This device can be used to interface 5V to 3V. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. 74VHC20 TSSOP T & R 74VHC20MTR 74VHC20TTR Rev. 4 1/10 ...

Page 2

Figure 2: Input Equivalent Circuit Table 4: Absolute Maximum Ratings Symbol V Supply Voltage Input Voltage Output Voltage Input Diode Current Output Diode Current ...

Page 3

Table 6: DC Specifications Symbol Parameter V V High Level Input 2.0 IH Voltage 3.0 to 5.5 V Low Level Input 2.0 IL Voltage 3.0 to 5.5 V High Level Output 2.0 OH Voltage 3.0 4.5 3.0 4.5 V Low ...

Page 4

Table 8: Capacitive Characteristics Symbol Parameter C Input Capacitance IN C Power Dissipation PD Capacitance (note defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without ...

Page 5

SO-14 MECHANICAL DATA mm. DIM. MIN. TYP A 1.35 A1 0.1 A2 1.10 B 0.33 C 0.19 D 8.55 E 3.8 e 1.27 H 5.8 h 0.25 L 0.4 k 0° ddd MAX. MIN. 1.75 0.053 0.25 0.004 1.65 0.043 ...

Page 6

DIM. MIN 0.05 A2 0.8 b 0.19 c 0.09 D 4.9 E 6 0˚ PIN 1 IDENTIFICATION 1 6/10 TSSOP14 MECHANICAL DATA mm. TYP MAX. 1.2 0.15 ...

Page 7

Tape & Reel SO-14 MECHANICAL DATA mm. DIM. MIN. TYP A C 12 2.1 Po 3.9 P 7.9 MAX. MIN. 330 13.2 0.504 0.795 2.362 22.4 6.6 0.252 9.2 0.354 ...

Page 8

Tape & Reel TSSOP14 MECHANICAL DATA DIM. MIN 12 6.7 Bo 5.3 Ko 1.6 Po 3.9 P 7.9 8/10 mm. TYP MAX. MIN. 330 13.2 0.504 0.795 2.362 22.4 6.9 0.264 ...

Page 9

Table 9: Revision History Date Revision 12-Nov-2004 4 Description of Changes Order Codes Revision - pag. 1. 74VHC20 9/10 ...

Page 10

... 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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