DM74LS26N

DM74LS26N Datasheet

DM74LS26 Quad 2-Input NAND Gate with High Voltage Open-Collector Outputs

Part	Datasheet
DM74LS26N	DM74LS26N (pdf)

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DM74LS26 Quad 2-Input NAND Gate with High Voltage Open-Collector Outputs DM74LS26 Quad 2-Input NAND Gate with High Voltage Open-Collector Outputs This device contains four independent gates each of which performs the logic NAND function. The open-collector outputs require external pull-up resistors for proper logical operation. These gates feature high-voltage output ratings up to 15V for interfacing with 12V systems. Although the outputs are rated for 15V, the device supply is still rated for 5V. Pull-Up Resistor Equations Where: N1 IOH = total maximum output high current for all outputs tied to pull-up resistor N2 IIH = total maximum input high current for all inputs tied to pull-up resistor N3 IIL = total maximum input low current for all inputs tied to pull-up resistor Ordering Code: Order Number Package Number Package Description DM74LS26M M14A 14-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-120, Narrow DM74LS26N N14A 14-Lead Plastic Dual-In-Line Package PDIP , JEDEC MS-001, Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Connection Diagram Function Table Y = AB Inputs H = HIGH Logic Level L = LOW Logic Level Output Y H L 2000 Fairchild Semiconductor Corporation DS006358 DM74LS26 Absolute Maximum Ratings Note 1 Supply Voltage Input Voltage Output Voltage Operating Free Air Temperature Range 0°C to +70°C Storage Temperature Range −65°C to +150°C Note 1 The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum ratings. The “Recommended Operating Conditions” table will define the conditions for actual device operation. Recommended Operating Conditions VCC VIH VIL VOH IOL TA Parameter Supply Voltage HIGH Level Input Voltage LOW Level Input Voltage HIGH Level Output Voltage LOW Level Output Current Free Air Operating Temperature Units Electrical Characteristics over recommended operating free air temperature range unless otherwise noted Parameter Conditions VI ICEX Input Clamp Voltage HIGH Level Output Current LOW Level Output Voltage Input Current Max Input Voltage HIGH Level Input Current LOW Level Input Current ICCH Supply Current with Outputs HIGH ICCL Supply Current with Outputs LOW Note 2 All typicals are at VCC = 5V, TA = 25°C. VCC = Min, II = −18 mA VCC = Min VIL = Max VCC = Min, IOL = Max VIH = Min IOL = 4 mA, VCC = Min VCC = Max, VI = 7V VI = 5.5V VCC = Max, VI = 2.7V VCC = Max, VI = 0.4V VCC = Max VCC = Max VO = 15V VO = 12V Note 2

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DM74LS26 Quad 2-Input NAND Gate with High Voltage Open-Collector Outputs

DM74LS26 Quad 2-Input NAND Gate with High Voltage Open-Collector Outputs

This device contains four independent gates each of which performs the logic NAND function. The open-collector outputs require external pull-up resistors for proper logical operation.

These gates feature high-voltage output ratings up to 15V for interfacing with 12V systems. Although the outputs are rated for 15V, the device supply is still rated for 5V.

Pull-Up Resistor Equations

Where:

N1 IOH = total maximum output high current for all outputs tied to pull-up resistor

N2 IIH = total maximum input high current for all inputs tied to pull-up resistor

N3 IIL = total maximum input low current for all inputs tied to pull-up resistor
Ordering Code:

Order Number Package Number

Package Description

DM74LS26M

M14A
14-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-120, Narrow

DM74LS26N

N14A
14-Lead Plastic Dual-In-Line Package PDIP , JEDEC MS-001, Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Connection Diagram

Function Table

Y = AB

Inputs

H = HIGH Logic Level L = LOW Logic Level

Output Y H L
2000 Fairchild Semiconductor Corporation DS006358

DM74LS26

Absolute Maximum Ratings Note 1

Supply Voltage

Input Voltage

Output Voltage

Operating Free Air Temperature Range 0°C to +70°C

Storage Temperature Range
−65°C to +150°C

Note 1 The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum ratings. The “Recommended Operating Conditions” table will define the conditions for actual device operation.

Recommended Operating Conditions

VCC VIH VIL VOH IOL TA

Parameter Supply Voltage HIGH Level Input Voltage LOW Level Input Voltage HIGH Level Output Voltage LOW Level Output Current Free Air Operating Temperature

Units

Electrical Characteristics
over recommended operating free air temperature range unless otherwise noted

Parameter

Conditions

VI ICEX

Input Clamp Voltage HIGH Level Output Current

LOW Level

Output Voltage

Input Current Max

Input Voltage

HIGH Level Input Current

LOW Level Input Current

ICCH

Supply Current with Outputs HIGH

ICCL

Supply Current with Outputs LOW

Note 2 All typicals are at VCC = 5V, TA = 25°C.

VCC = Min, II = −18 mA VCC = Min VIL = Max VCC = Min, IOL = Max VIH = Min IOL = 4 mA, VCC = Min VCC = Max, VI = 7V VI = 5.5V VCC = Max, VI = 2.7V VCC = Max, VI = 0.4V VCC = Max VCC = Max

VO = 15V VO = 12V

Note 2

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Datasheet ID: DM74LS26N 513788