Philips N74ALS38AD, N74ALS38AN Datasheet
74ALS38A
Quad 2-Input NAND buffer
(open collector)
Product specification 1991 Feb 08
INTEGRATED CIRCUITS
IC05 Data Handbook
Philips Semiconductors Product specification
74ALS38AQuad 2-input NAND buffer (open collector)
2
1991 Feb 08 853–1305 01670
TYPE
TYPICAL
PROPAGATION DELAY
TYPICAL
SUPPLY CURRENT
(TOTAL)
74ALS38A 7.0ns 3.5mA
ORDERING INFORMATION
ORDER CODE
DESCRIPTION COMMERCIAL RANGE
V
CC
= 5V ±10%,
T
amb
= 0°C to +70°C
DRAWING
NUMBER
14-pin plastic DIP 74ALS38AN SOT27-1
14-pin plastic SO 74ALS38AD SOT108-1
PIN CONFIGURATION
14
13
12
11
10
9
87
6
5
4
3
2
11A
1B
1Y
2A
2B
2Y
GND 3Y
3A
3B
4Y
4A
4B
V
CC
SC00001
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS DESCRIPTION
74ALS (U.L.)
HIGH/LOW
LOAD VALUE
HIGH/LOW
nA, nB Data inputs 1.0/1.0 20µA/0.1mA
nY Data outputs 20/80 0.4mA/8mA
NOTE: One (1.0) ALS unit load is defined as: 20µA in the High state and 0.1mA in the Low state.
LOGIC SYMBOL
VCC = Pin 14
GND = Pin 7
12459101213
1A 1B 2A 2B 3A 3B 4A 4B
1Y 2Y 3Y 4Y
36811
SC00002
IEC/IEEE SYMBOL
1
2
4
5
9
10
12
13
&
3
6
8
11
SC00034
LOGIC DIAGRAM
VCC = Pin 14
GND = Pin 7
1A
1B
2A
2B
3A
3B
4A
4B
1Y
2Y
3Y
4Y
3
6
8
11
1
2
4
5
9
10
12
13
SC00035
FUNCTION TABLE
INPUTS OUTPUT
nA nB nY
L L H
L H H
H L H
H H L
H = High voltage level
L = Low voltage level
X = Don’t care
Philips Semiconductors Product specification
74ALS38AQuad 2-input NAND buffer (open collector)
1991 Feb 08
3
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limit 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
V
CC
Supply voltage –0.5 to +7.0 V
V
IN
Input voltage –0.5 to +7.0 V
I
IN
Input current –30 to +5 mA
V
OUT
Voltage applied to output in High output state –0.5 to V
CC
V
I
OUT
Current applied to output in Low output state 48 mA
T
amb
Operating free-air temperature range 0 to +70 °C
T
stg
Storage temperature range –65 to +150 °C
RECOMMENDED OPERATING CONDITIONS
LIMITS
SYMBOL
PARAMETER
MIN NOM MAX
UNIT
V
CC
Supply voltage 4.5 5.0 5.5 V
V
IH
High-level input voltage 2.0 V
V
IL
Low-level input voltage 0.8 V
I
Ik
Input clamp current –18 mA
V
OH
High-level output voltage 5.5 V
I
OL
Low-level output current 24 mA
T
amb
Operating free-air temperature range 0 +70 °C
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
1
MIN TYP2MAX
UNIT
I
OH
High-level output current VCC = MIN, VIL = MAX, VIH = MIN, VOH = MAX 100 µA
p
VCC = MIN, VIL = MAX,
I
OL
= 12mA 0.25 0.40 V
VOLLow-level output voltage
CC
,
IL
,
VIH = MIN
I
OL
= 24mA 0.35 0.50 V
V
IK
Input clamp voltage VCC = MIN, II = I
IK
–0.73 –1.5 V
I
I
Input current at maximum input voltage VCC = MAX, VI = 7.0V 0.1 mA
I
IH
High-level input current VCC = MAX, VI = 2.7V 20 µA
I
IL
Low-level input current VCC = MAX, VI = 0.5V –0.1 mA
pp
I
CCHVCC
= MAX VI = GND 0.65 1.6 mA
ICCSupply current (total)
I
CCL
VI = 4.5V 6.5 9.0 mA
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
2. All typical values are at V
CC
= 5V, T
amb
= 25°C.
Loading...