DM74AS27N

DM74AS27N Datasheet

DM74AS27 Triple 3-Input NOR Gate

Part	Datasheet
DM74AS27N	DM74AS27N (pdf)

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DM74AS27 Triple 3-Input NOR Gate DM74AS27 Triple 3-Input NOR Gate This device contains three independent 3-input gates, each of which performs the logic NOR function. s Switching specifications at 50 pF s Switching specifications guaranteed over full temperature and VCC range s Advanced oxide-isolated, ion-implanted Schottky TTL process s Functionally and pin for pin compatible with Schottky, low power Schottky, and advanced low power Schottky TTL counterpart s Improved AC performance over Schottky, low power Schottky, and advanced low power Schottky counterparts Ordering Code: Order Number Package Number Package Description DM74AS27M M14A 14-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-012, Narrow DM74AS27N 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= A+B+C Inputs H = HIGH Logic Level L = LOW Logic Level X = Either LOW or HIGH Logic Level Output Y H L 2000 Fairchild Semiconductor Corporation DS006278 DM74AS27 Absolute Maximum Ratings Note 1 Supply Voltage Input Voltage Operating Free Air Temperature Range 0°C to +70°C Storage Temperature Range −65°C to +150°C Typical N Package 84.0°C/W M Package 114.0°C/W 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 IOH IOL TA Parameter Supply Voltage HIGH Level Input Voltage LOW Level Input Voltage HIGH Level Output Current LOW Level Output Current Free Air Operating Temperature −2 Electrical Characteristics over recommended operating free air temperature range. All typical values are measured at VCC = 5V, TA = 25°C. Parameter Conditions Input Clamp Voltage VCC = 4.5V, II = −18 mA HIGH Level IOH = −2 mA Output Voltage VCC = 4.5V to 5.5V LOW Level VCC = 4.5V Output Voltage IOL = 20 mA Input Current at Max Input Voltage VCC = 5.5V, VIH = 7V HIGH Level Input Current VCC = 5.5V, VIH = 2.7V

PDF Datasheet Preview

DM74AS27 Triple 3-Input NOR Gate

DM74AS27 Triple 3-Input NOR Gate

This device contains three independent 3-input gates, each of which performs the logic NOR function.
s Switching specifications at 50 pF
s Switching specifications guaranteed over full temperature and VCC range
s Advanced oxide-isolated, ion-implanted Schottky TTL process
s Functionally and pin for pin compatible with Schottky, low power Schottky, and advanced low power Schottky TTL counterpart
s Improved AC performance over Schottky, low power Schottky, and advanced low power Schottky counterparts
Ordering Code:

Order Number Package Number

Package Description

DM74AS27M

M14A
14-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-012, Narrow

DM74AS27N

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= A+B+C

Inputs

H = HIGH Logic Level L = LOW Logic Level X = Either LOW or HIGH Logic Level

Output Y H L
2000 Fairchild Semiconductor Corporation DS006278

DM74AS27

Absolute Maximum Ratings Note 1

Supply Voltage

Input Voltage

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

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

Typical N Package
84.0°C/W

M Package
114.0°C/W

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 IOH IOL TA

Parameter Supply Voltage HIGH Level Input Voltage LOW Level Input Voltage HIGH Level Output Current LOW Level Output Current Free Air Operating Temperature
−2

Electrical Characteristics
over recommended operating free air temperature range. All typical values are measured at VCC = 5V, TA = 25°C.

Parameter

Conditions

Input Clamp Voltage

VCC = 4.5V, II = −18 mA

HIGH Level

IOH = −2 mA

Output Voltage

VCC = 4.5V to 5.5V

LOW Level

VCC = 4.5V

Output Voltage

IOL = 20 mA

Input Current at Max Input Voltage VCC = 5.5V, VIH = 7V

HIGH Level Input Current

VCC = 5.5V, VIH = 2.7V

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Datasheet ID: DM74AS27N 513726