INTEGRATED CIRCUITS
74F3038
Quad 2-input NAND 30 Ω line driver (open collector)
Product specification |
1998 May 21 |
Supersedes data of 1990 Jan 29
IC15 Data Handbook
m n r
Philips Semiconductors |
Product specification |
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Quad 2-input NAND 30Ω line driver (open collector) |
74F3038 |
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FEATURES
•30Ω line driver
•160mA output drive capability
•High speed
•Facilitates incident wave switching
•3nh lead inductance each on VCC and GND when both side pins are used
DESCRIPTION
The 74F3038 is a high current Open-Collector Line Driver composed of four 2-input NAND gates. It has been designed to deal with the transmission line effects of PC boards which appear when fast edge rates are used.
The 74F3038 can sink 160mA with a VCC as low as 4.5V. This guarantees incident wave switching with VOL not more than 0.8V while driving impedances as low as 30Ω. This is applicable with any combination of outputs using continuous duty.
The AC specifications for the 74F3038 were determined using the standard FAST load for open-collector parts of 50pF capacitance, a 500Ω pull-up resistor and a 500Ω pull-down resistor. (See Test
Circuit).
Reducing the load resistors to 100Ω will decrease the tPLH propagation delay by approximately 50% while increasing tPHL only slightly. The graph of typical propagation delay versus load resistor
(see AC Characteristics section for Graph) shows a spline fit curve from four measured data points, RL = 30Ω, RL = 100Ω, RL = 300Ω, and RL = 500Ω.
PIN CONFIGURATION
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D0a |
1 |
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16 |
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Q3 |
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D0b |
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D3b |
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2 |
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15 |
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D3a |
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Q0 |
3 |
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14 |
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GND |
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VCC |
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4 |
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13 |
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GND |
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VCC |
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5 |
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12 |
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D2a |
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Q1 |
6 |
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11 |
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D1a |
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D2b |
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7 |
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10 |
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D1b |
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8 |
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9 |
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Q2 |
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SF00570 |
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TYPICAL |
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TYPICAL |
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TYPE |
PROPAGATION |
SUPPLY CURRENT |
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DELAY |
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(TOTAL) |
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74F3038 |
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6.0ns |
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17mA |
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ORDERING INFORMATION |
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COMMERCIAL RANGE |
PACKAGE |
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DESCRIPTION |
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VCC = 5V ±10%, |
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DRAWING |
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Tamb = 0°C to +70°C |
NUMBER |
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16-pin Plastic DIP |
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N74F3038N |
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SOT38-4 |
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16-pin Plastic SOL |
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N74F3038D |
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SOT162-1 |
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INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
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PINS |
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DESCRIPTION |
74F(U.L.) |
LOAD VALUE |
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HIGH/LOW |
HIGH/LOW |
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Dna, Dnb |
Data inputs |
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1.0/1.0 |
20μA/0.6mA |
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Data outputs |
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OC/266 |
OC/160mA |
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Qn |
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NOTE: One (1.0) FAST unit load is defined as: 20μA in the High state and 0.6mA in the Low state. OC = Open Collector. |
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LOGIC SYMBOL |
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IEC/IEEE SYMBOL |
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1 |
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& |
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1 |
2 |
7 |
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10 |
11 |
14 |
15 |
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2 |
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8 |
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D0a |
D0b D1a |
D1a |
D2a D2b |
D3a D3b |
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11 |
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9 |
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Q0 |
Q1 |
Q2 |
Q3 |
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14 |
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16 |
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15 |
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VCC = Pin 12,13 |
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3 |
6 |
9 |
16 |
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GND = Pin 4, 5 |
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SF00571 |
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SF00572 |
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1998 May 21 |
2 |
853-0022 19433 |
Philips Semiconductors |
Product specification |
|
|
|
|
Quad 2-input NAND 30Ω line driver (open collector) |
74F3038 |
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|
|
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LOGIC DIAGRAM
D0a |
1 |
3 |
Q0 |
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D0b |
2 |
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D1a |
7 |
6 |
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8 |
Q1 |
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D1b |
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D2a |
10 |
9 |
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11 |
Q2 |
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D2b
14
D3a 15 16 Q3
VCC = Pin 12,13 D3b
GND = Pin 4, 5
SF00569
FUNCTION TABLE
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INPUTS |
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OUTPUT |
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Dna |
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Dnb |
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Qn |
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L |
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L |
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H |
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L |
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H |
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H |
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H |
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L |
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H |
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H |
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H |
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L |
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H |
= |
High voltage level |
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L |
= |
Low voltage level |
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ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limits set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free-air temperature range.)
SYMBOL |
PARAMETER |
RATING |
UNIT |
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VCC |
Supply voltage |
±0.5 to +7.0 |
V |
VIN |
Input voltage |
±0.5 to +7.0 |
V |
IIN |
Input current |
±30 to +5 |
mA |
VOUT |
Voltage applied to output in High output state |
±0.5 to VCC |
V |
IOUT |
Current applied to output in Low output state |
320 |
mA |
Tamb |
Operating free-air temperature range |
0 to +70 |
°C |
Tstg |
Storage temperature range |
±65 to +150 |
°C |
RECOMMENDED OPERATING CONDITIONS
SYMBOL |
PARAMETER |
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LIMITS |
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UNIT |
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MIN |
NOM |
MAX |
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VCC |
Supply voltage |
4.5 |
5.0 |
5.5 |
V |
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VIH |
High-level input voltage |
2.0 |
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V |
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VIL |
Low-level input voltage |
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0.8 |
V |
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IIK |
Input clamp current |
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±18 |
mA |
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VOH |
High-level output voltage |
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4.5 |
V |
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IOL |
Low-level output current |
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160 |
mA |
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Tamb |
Operating free-air temperature range |
0 |
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+70 |
°C |
1998 May 21 |
3 |
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