DM74AS21MX

DM74AS21MX Datasheet


DM74AS21 Dual 4-Input AND Gate

Part Datasheet
DM74AS21MX DM74AS21MX DM74AS21MX (pdf)
Related Parts Information
DM74AS21M DM74AS21M DM74AS21M
DM74AS21N DM74AS21N DM74AS21N
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DM74AS21 Dual 4-Input AND Gate

DM74AS21 Dual 4-Input AND Gate

This device contains two independent 4-input gates, each of which performs the logic AND 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

DM74AS21M

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

DM74AS21N

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

Inputs

H = HIGH Logic Level L = LOW Logic Level

X = Either LOW or HIGH Logic Level

Output Y H L
2000 Fairchild Semiconductor Corporation DS006277

DM74AS21

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

HIGH Level Input Current

VCC = 5.5V, VIH = 2.7V
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Datasheet ID: DM74AS21MX 513721