SN74LS248 Motorola, SN74LS248 Datasheet - Page 4

• Manufacturer Part Number: SN74LS248
• Description: BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS
• Manufacturer: Motorola

GUARANTEED OPERATING RANGES
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS
V CC
T A
I OH
I OL
V O(off)
I O(on)
V IH
V IL
V IL
V IK
V OH
V OH
V OL
V OL
I O(off)
V O(on)
V O(on)
I IH
I IH
I IL
I IL
I OS
I CC
t PLH
t PHL
t PHL
t PLH
Symbol
Symbol
Symbol
Symbol
Symbol
Supply Voltage
Operating Ambient Temperature Range
Output Current — High BI / RBO
Output Current — Low BI / RBO
Off-State Output Voltage a – g
On-State Output Current a – g
On-State Output Current
Input HIGH Voltage
Input LOW Voltage
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH Voltage
Output HIGH Voltage
Output LOW Voltage
Output LOW Voltage
Off-State Output Current
On-State Output Voltage
On-State Output Voltage
Input HIGH Current
Input HIGH Current
Input LOW Current
Short Circuit Current
Power Supply Current
Turn-Off Time from A Input
Turn-On Time from A Input
Turn-Off Time from RBI Input
Turn-On Time from RBI Input
BI / RBO
BI / RBO
BI / RBO
BI / RBO
a – g
a – g
a – g
Any Input, except BI/ RBO
BI / RBO
BI / RBO (Note 1)
(V CC = 5.0 V, T A = 25 C)
Parameter
Parameter
Parameter
Parameter
Parameter
a – g
54, 74
54, 74
54, 74
54
74
54
74
74
74
FAST AND LS TTL DATA
SN54/74LS247
– 0.3
Min
2.0
2.4
2.4
Min
Limits
– 0.65
Limits
5-405
0.25
0.35
0.25
0.35
Typ
4.2
4.2
7.0
Typ
– 1.5
– 0.4
– 1.2
– 2.0
Max
250
Max
54, 74
54, 74
0.7
0.8
0.4
0.5
0.4
0.5
0.1
100
100
100
100
20
13
54
74
54
74
54
74
54
74
(unless otherwise specified)
Unit
Unit
Unit
Unit
mA
mA
mA
mA
mA
ns
ns
V
V
V
V
V
V
V
V
V
V
A
A
4.75
– 55
Min
4.5
0
Guaranteed Input HIGH Voltage for
All Inputs
Guaranteed Input LOW Voltage for
Guaranteed Input LOW Voltage for
All Inputs
All Inputs
V CC = MIN, I IN = – 18 mA
V CC = MIN, I OH = MAX, V IN = V IH
V CC = MIN, I OH = MAX, V IN = V IH
or V IL per Truth Table
or V IL per Truth Table
I OL = 1.6 mA
I OL = 3.2 mA
V CC = MAX, V IH = 2.0 V,
V O(off) = 15 V, V IL = MAX
I O(on) = 12 mA
I O(on) = 24 mA
V CC = MAX, V IN = 2.7 V
V CC = MAX, V IN = 7.0 V
V CC = MAX, V IN = 0.4 V
V CC = MAX, V IN = 0.4 V
V CC = MAX
V CC = MAX
Typ
5.0
5.0
25
25
Test Conditions
Test Conditions
Test Conditions
Test Conditions
C L = 15 pF,
C L = 15 pF,
R L = 665
R L = 665
V CC = V CC MIN,
V IN = V IL or V IH
V IN = V IL or V IH
per Truth Table
per Truth Table
V CC = MIN, V IH = 2.0 V,
V CC = MIN, V IH = 2.0 V,
V IL per Truth Table
V IL per Truth Table
Max
5.25
– 50
125
5.5
1.6
3.2
70
15
12
24
Unit
mA
mA
V
V
C
A