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HD74LV138A
3-to-8-line Decoder / Demultiplexer
REJ03D0384-0100 Rev.1.00 Aug. 23, 2004
Description
The HD74LV138A has three binary select inputs in a 16 pin package. If the device is enabled these inputs determine which one of the eight normally high outputs will go low. Two active low and one active high enables are provided to ease the cascading of decoders. Low voltage and high-speed operation is suitable at the battery drive product (note type personal computer) and low power consumption extends the life of a battery for long time operation.
Features
* * * * * * * VCC = 2.0 V to 5.5 V All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V) All outputs VO (Max.) = 5.5 V (@VCC = 0 V) Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25C) Typical VOH undershoot > 2.3 V (@VCC = 3.3 V, Ta = 25C) High output current 6 mA (@VCC = 3.0 V to 3.6 V), 12 mA (@VCC = 4.5 V to 5.5 V) Ordering Information
Part Name HD74LV138AFPEL HD74LV138ATELL Package Type SOP-16 pin (JEITA) TSSOP-16 pin Package Code FP-16DAV TTP-16DAV FP T Package Abbreviation Taping Abbreviation (Quantity) EL (2,000 pcs/reel) ELL (2,000 pcs/reel)
Note: Please consult the sales office for the above package availability.
Function Table
Inputs Enable G1 X X L H H H H H H H H L: Low level X: Immaterial G2A X H X L L L L L L L L G2B H X X L L L L L L L L C X X X L L L L H H H H Select B X X X L L H H L L H H A X X X L H L H L H L H Y0 H H H L H H H H H H H Y1 H H H H L H H H H H H Y2 H H H H H L H H H H H Outputs Y3 H H H H H H L H H H H Y4 H H H H H H H L H H H Y5 H H H H H H H H L H H Y6 H H H H H H H H H L H Y7 H H H H H H H H H H L
H: High level
Rev.1.00 Aug. 23, 2004 page 1 of 6
HD74ALV138A
Pin Arrangement
A1 B2 C3 G2A 4 G2B 5 G1 6 B C G2A G2B G1 A Y0 Y1 Y2 Y3 Y4
16 VCC 15 Y0 14 Y1 13 Y2 12 Y3 11 Y4 10 Y5 9 Y6
Y7 7 GND 8
Y7 Y6 Y5
(Top view)
Absolute Maximum Ratings
Item Supply voltage range Input voltage range*
1
Symbol VCC VI VO IIK IOK IO ICC or IGND PT Tstg
Ratings -0.5 to 7.0 -0.5 to 7.0 -0.5 to VCC + 0.5 -0.5 to 7.0 -20 50 25 50 785 500 -65 to 150 V V V
Unit
Conditions
Output voltage range*1, 2 Input clamp current Output clamp current Continuous output current Continuous current through VCC or GND Maximum power dissipation at Ta = 25C (in still air)*3 Storage temperature
Output: H or L VCC: OFF VI < 0 VO < 0 or VO > VCC VO = 0 to VCC
mA mA mA mA mW C
SOP TSSOP
Notes: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of which may be realized at the same time. 1. The input and output voltage ratings may be exceeded if the input and output clamp-current ratings are observed. 2. This value is limited to 5.5 V maximum. 3. The maximum package power dissipation was calculated using a junction temperature of 150C.
Rev.1.00 Aug. 23.2004, page 2 of 6
HD74ALV138A
Recommended Operating Conditions
Item Supply voltage range Input voltage range Output voltage range Output current Symbol VCC VI VO IOH 2.0 0 0 -- -- -- -- IOL -- -- -- -- Input transition rise or fall rate t /v 0 0 0 Operating free-air temperature Ta -40 Note: Unused or floating inputs must be held high or low. Min Max 5.5 5.5 VCC -50 -2 -6 -12 50 2 6 12 200 100 20 85 C ns/V
A
Unit V V V
A
Conditions
VCC = 2.0 V VCC = 2.3 to 2.7 V VCC = 3.0 to 3.6 V VCC = 4.5 to 5.5 V VCC = 2.0 V VCC = 2.3 to 2.7 V VCC = 3.0 to 3.6 V VCC = 4.5 to 5.5 V VCC = 2.3 to 2.7 V VCC = 3.0 to 3.6 V VCC = 4.5 to 5.5 V
mA
mA
DC Electrical Characteristics
Ta = -40 to 85C
Item Input voltage Symbol VIH VCC (V)* 2.0 2.3 to 2.7 3.0 to 3.6 4.5 to 5.5 VIL 2.0 2.3 to 2.7 3.0 to 3.6 4.5 to 5.5 Output voltage VOH Min to Max 2.3 3.0 4.5 VOL Min to Max 2.3 3.0 4.5 Input current Quiescent supply current Output leakage current Input capacitance IIN ICC IOFF CIN 0 to 5.5 5.5 0 3.3 1.5 VCCx 0.7 VCCx 0.7 VCCx 0.7 -- -- -- -- VCC - 0.1 2.0 2.48 3.8 -- -- -- -- -- -- -- -- Min Typ -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 3.3 -- -- -- -- 0.5 VCCx 0.3 VCCx 0.3 VCCx 0.3 -- -- -- -- 0.1 0.4 0.44 0.55 1 20 5 -- A A A pF V IOH = -50 A IOH = -2 mA IOH = -6 mA IOH = -12 mA IOL = 50 A IOL = 2 mA IOL = 6 mA IOL = 12 mA VIN = 5.5 V or GND VIN = VCC or GND, IO = 0 VI or VO = 0 V to 5.5 V VI = VCC or GND Max Unit V Test Conditions
Note: For conditions shown as Min or Max, use the appropriate values under recommended operating conditions.
Rev.1.00 Aug. 23.2004, page 3 of 6
HD74ALV138A
Switching Characteristics
VCC = 2.5 0.2 V
Ta = 25C Item Propagation delay time Symbol tPLH/tPHL Min -- -- -- -- -- -- Typ 7.5 10.0 7.5 10.0 8.0 10.5 Max 17.6 21.4 19.2 22.6 18.2 22.0 Ta = -40 to 85C Min 1.0 1.0 1.0 1.0 1.0 1.0 Max 21.0 25.0 22.0 26.0 21.0 25.0 Unit ns Test Conditions CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF G2A or G2B G1 FROM (Input) A, B or C Y TO (Output)
VCC = 3.3 0.3 V
Ta = 25C Item Propagation delay time Symbol tPLH/tPHL Min -- -- -- -- -- -- Typ 5.5 7.5 5.5 7.5 6.0 7.5 Max 11.4 15.8 12.8 16.3 11.4 14.9 Ta = -40 to 85C Min 1.0 1.0 1.0 1.0 1.0 1.0 Max 13.5 18.0 15.0 18.5 13.5 17.0 Unit ns Test Conditions CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF G2A or G2B G1 FROM (Input) A, B or C Y TO (Output)
VCC = 5.0 0.5 V
Ta = 25C Item Propagation delay time Symbol tPLH/tPHL Min -- -- -- -- -- -- Typ 4.0 5.5 4.0 5.5 4.5 5.5 Max 8.1 10.1 8.1 10.1 8.1 10.1 Ta = -40 to 85C Min 1.0 1.0 1.0 1.0 1.0 1.0 Max 9.5 11.5 9.5 11.5 9.5 11.5 Unit ns Test Conditions CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF G2A or G2B G1 FROM (Input) A, B or C Y TO (Output)
Operating Characteristics
CL = 50 pF
Ta = 25C Item Power dissipation capacitance Symbol CPD VCC (V) 3.3 5.0 -- -- Min Typ 16.8 19.1 Max -- -- Unit pF Test Conditions f = 10 MHz
Rev.1.00 Aug. 23.2004, page 4 of 6
HD74ALV138A
Noise Characteristics
CL = 50 pF
Ta = 25C Item Quiet output, maximum dynamic VOL Quiet output, minimum dynamic VOL Quiet output, minimum dynamic VOH High-level dynamic input voltage Low-level dynamic input voltage Symbol VOL (P) VOL (V) VOH (V) VIH (D) VIL (D) VCC (V) 3.3 3.3 3.3 3.3 3.3 -- -- -- 2.31 -- Min Typ 0.3 -0.2 3.0 -- -- Max 0.8 -0.8 -- -- 0.99 Unit V V V V V Test Conditions
Test Circuit
Measurement point
CL*
Note: CL includes the probe and fig capacitance.
* Waveform
tr 90% 50% VCC 10% t PLH 90% 50% VCC
tf VCC 10% t PHL 0V
Input
VOH In phase output t PHL 50% VCC 50% VCC VOL t PLH VOH Out of phase output 50% VCC 50% VCC VOL
Notes: 1. Input waveform: PRR 1 MHz, Zo = 50 , tr 3 ns, t f 3 ns 2. The output are measured one at a time with one transition per measurement.
Rev.1.00 Aug. 23.2004, page 5 of 6
HD74ALV138A
Package Dimensions
As of January, 2003
10.06 10.5 Max 16 9
Unit: mm
1
*0.20 0.05
8
0.80 Max
5.5
0.20 7.80 + 0.30 -
2.20 Max
1.15
1.27
0.10 0.10
0 - 8
0.70 0.20
*0.40 0.06
0.15
0.12 M
Package Code JEDEC JEITA Mass (reference value) FP-16DAV -- Conforms 0.24 g
*Ni/Pd/Au plating
As of January, 2003
Unit: mm
5.00 5.30 Max 16 9
1
*0.20 0.05
8 0.65 0.13 M 0.65 Max 6.40 0.20 0 - 8 0.50 0.10 1.0
4.40
*0.15 0.05
1.10 Max
0.10
0.07 +0.03 -0.04
*Ni/Pd/Au plating
Package Code JEDEC JEITA Mass (reference value)
TTP-16DAV -- -- 0.05 g
Rev.1.00 Aug. 23.2004, page 6 of 6
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