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74LV139PW Arkusz danych(PDF) 2 Page - NXP Semiconductors

Numer części 74LV139PW
Szczegółowy opis  Dual 2-to-4 line decoder/demultiplexer
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Producent  PHILIPS [NXP Semiconductors]
Strona internetowa  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

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Philips Semiconductors
Product specification
74LV139
Dual 2-to-4 line decoder/demultiplexer
2
1998 Apr 28
853–1922 19290
FEATURES
Wide operating voltage: 1.0 to 5.5 V
Optimized for low voltage applications: 1.0 to 3.6 V
Accepts TTL input levels between V
CC = 2.7 V and VCC = 3.6 V
Typical V
OLP (output ground bounce) < 0.8 V at VCC = 3.3 V,
Tamb = 25°C
Typical V
OHV (output VOH undershoot) > 2 V at VCC = 3.3 V,
Tamb = 25°C
Demultiplexing capability
Two independent 2-to-4 decoders
Multifunction capability
Active LOW mutually exclusive outputs
Output capability: standard
I
CC category: MSI
APPLICATIONS
Memory decoding or data-routing
Code conversion
DESCRIPTION
The 74LV139 is a low-voltage Si-gate CMOS device that is pin and
function compatible with 74HC/HCT139.
The 74LV139 is a dual 2-to-4 line decoder/demultiplexer. This device
has two independent decoders, each accepting two binary weighted
inputs (nA0 and nA1) and providing four mutually exclusive active
LOW outputs (nY0 to nY3). Each decoder has an active LOW enable
input (nE).
When nE is HIGH, every output is forced HIGH. The enable can be
used as the data input for a 1-to-4 demultiplexer application.
QUICK REFERENCE DATA
GND = 0 V; Tamb = 25°C; tr = tf ≤ 2.5 ns
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
tPHL/tPLH
Propagation delay
nAn to nYn,
nE to nYn
CL = 15 pF;
VCC = 3.3 V
11
10
ns
CI
Input capacitance
3.5
pF
CPD
Power dissipation capacitance per
multiplexer
VCC = 3.3 V
VI = GND to VCC1
42
pF
NOTES:
1. CPD is used to determine the dynamic power dissipation (PD in µW)
PD = CPD × VCC2 × fi ) (CL × VCC2 × fo) where:
fi = input frequency in MHz; CL = output load capacitance in pF;
fo = output frequency in MHz; VCC = supply voltage in V;
(CL × VCC2 × fo) = sum of the outputs.
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
OUTSIDE NORTH AMERICA
NORTH AMERICA
PKG. DWG. #
16-Pin Plastic DIL
–40
°C to +125°C
74LV139 N
74LV139 N
SOT38-4
16-Pin Plastic SO
–40
°C to +125°C
74LV139 D
74LV139 D
SOT109-1
16-Pin Plastic SSOP Type II
–40
°C to +125°C
74LV139 DB
74LV139 DB
SOT338-1
16-Pin Plastic TSSOP Type I
–40
°C to +125°C
74LV139 PW
74LV139PW DH
SOT403-1
PIN CONFIGURATION
SV00530
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1E
1A0
1A1
1Y0
1Y1
1Y2
1Y3
GND
VCC
2E
2A0
2A1
2Y0
2Y1
2Y2
2Y3
PIN DESCRIPTION
PIN
NUMBER
SYMBOL
FUNCTION
1, 15
1E, 2E
Enable inputs (active LOW)
2, 3
1A0, 1A1
Address inputs
4, 5, 6, 7
1Y0 to 1Y3
Outputs (active LOW)
8
GND
Ground (0 V)
12, 11, 10, 9
2Y0 to 2Y3
Outputs (active LOW)
14, 13
2A0, 2A1
Address inputs
16
VCC
Positive supply voltage


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