DM74ALS32 Quad 2-Input OR Gate
September 1986
Revised February 2000
DM74ALS32
Quad 2-Input OR Gate
General Description Features
This device contains four independent gates, each of which Switching specifications at 50 pF
performs the logic OR function.
Switching specifications guaranteed over full tempera-
ture and V range
CC
Advanced oxide-isolated, ion-implanted Schottky TTL
process
Functionally and pin for pin compatible with Schottky
and low power Schottky TTL counterpart
Improved AC performance over Schottky and low power
Schottky counterparts
Ordering Code:
Order Number Package Number Package Description
DM74ALS32M M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
DM74ALS32SJ M14D 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
DM74ALS32N N14A 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 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
Inputs Output
AB Y
LLL
LH H
HL H
HH H
H = HIGH Logic Level
L = LOW Logic Level
2000 Fairchild Semiconductor Corporation DS006190 www.fairchildsemi.comAbsolute Maximum Ratings(Note 1)
Supply Voltage 7V
Input Voltage 7V
Operating Free Air Temperature Range 0C to +70C
Note 1: The Absolute Maximum Ratings are those values beyond which
Storage Temperature Range - 65C to +150C the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Typical
JA
Characteristics tables are not guaranteed at the absolute maximum ratings.
The Recommended Operating Conditions table will define the conditions
N Package 89C/W
for actual device operation.
M Package 120C/W
Recommended Operating Conditions
Symbol Parameter Min Nom Max Units
V Supply Voltage 4.5 5 5.5 V
CC
V HIGH Level Input Voltage 2 V
IH
V LOW Level Input Voltage 0.8 V
IL
I HIGH Level Output Current - 0.4 mA
OH
I LOW Level Output Current 8 mA
OL
T Free Air Operating Temperature 0 70 C
A
Electrical Characteristics
over recommended operating free air temperature range. All typical values are measured at V = 5V, T = 25C.
CC A
Symbol Parameter Conditions Min Typ Max Units
V Input Clamp Voltage V = 4.5V, I = - 18 mA - 1.5 V
IK CC I
V HIGH Level I = - 0.4 mA
OH OH
V - 2V
CC
Output Voltage V = 4.5V to 5.5V
CC
V LOW Level I = 4 mA 0.25 0.4 V
OL OL
V = 4.5V
CC
Output Voltage I = 8 mA 0.35 0.5 V
OL
I Input Current @ Maximum
I
V = 5.5V, V = 7V 0.1 mA
CC IH
Input Voltage
I HIGH Level Input Current V = 5.5V, V = 2.7V 20 A
IH CC IH
I LOW Level Input Current V = 5.5V, V = 0.4V - 0.1 mA
IL CC IL
I Output Drive Current V = 5.5V V = 2.25V - 30 - 112 mA
O CC O
I Supply Current V = 5.5V Outputs HIGH 1.9 4 mA
CC CC
Outputs LOW 2.6 4.9 mA
Switching Characteristics
over recommended operating free air temperature range.
Symbol Parameter Conditions Min Max Units
t Propagation Delay Time V = 4.5V to 5.5V
PLH CC
314 ns
LOW-to-HIGH Level Output R = 500
L
t Propagation Delay Time C = 50 pF
PHL L
312 ns
HIGH-to-LOW Level Output
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DM74ALS32