SN54LS47 Datasheet, PDF (3/3 Pages) Motorola, Inc – BCD TO 7-SEGMENT DECODER/DRIVER

SN54 / 74LS47
GUARANTEED OPERATING RANGES
Symbol
Parameter
VCC
Supply Voltage
TA
Operating Ambient Temperature Range
IOH
IOL
VO _(off)
IO _(on)
Output Current — High
BI / RBO
Output Current — Low
BI / RBO
BI / RBO
Off-State Output Voltage a to g
On-State Output Current a to g
On-State Output Current a to g
Min
Typ
Max
Unit
54
4.5
5.0
5.5
V
74
4.75
5.0
5.25
54
– 55
25
125
°C
74
0
25
70
54, 74
– 50
µA
54
1.6
mA
74
3.2
54, 74
15
V
54
12
mA
74
24
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Symbol
VIH
Parameter
Input HIGH Voltage
Limits
Min Typ Max
2.0
Unit
Test Conditions
V
Guaranteed Input HIGH Theshold Voltage
for All Inputs
VIL
VIK
VOH
VOL
IO _(off)
VO _(on)
IIH
IIL
54
Input LOW Voltage
74
0.7
Guaranteed Input LOW Threshold Voltage
0.8
V
for All Inputs
Input Clamp Diode Voltage
– 0.65 – 1.5
V
VCC = MIN, IIN = – 18 mA
Output HIGH Voltage, BI / RBO
2.4
4.2
V
VCC = MIN, IOH = – 50 µA,
VIN = VIN or VIL per Truth Table
Output LOW Voltage
BI / RBO
Off-State Output Current
a thru g
54, 74
74
0.25 0.4
0.35 0.5
250
V
IOL = 1.6 mA
V
IOL = 3.2 mA
VCC = MIN, VIN = VIN or
VIL per Truth Table
µA
VCC = MAX, VIN = VIN or VIL per Truth
Table, VO _(off) = 15 V
On-State Output Voltage
a thru g
Input HIGH Current
54, 74
74
0.25 0.4
0.35 0.5
V
IO _(on) = 12 mA VCC = MAX, VIN = VIH
V
IO _(on) = 24 mA ^{or VIL per Truth Table}
20
µA VCC = MAX, VIN = 2.7 V
0.1
mA VCC = MAX, VIN = 7.0 V
Input LOW Current BI/ RBO
Any Input except BI / RBO
– 1.2
– 0.4
mA
VCC = MAX, VIN = 0.4 V
IOS BI / RBO Output Short Circuit Current (Note 1) – 0.3
–2.0
ICC
Power Supply Current
7.0
13
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
mA VCC = MAX, VOUT = 0 V
mA VCC = MAX
AC CHARACTERISTICS (TA = 25°C)
Symbol
tPHL
tPLH
tPHL
tPLH
Parameter
Propagation Delay, Address
Input to Segment Output
Propagation Delay, RBI Input
To Segment Output
Limits
Min Typ Max Unit
100
ns
100
ns
100
ns
100
ns
Test Conditions
VCC = 5.0 V
CL = 15 pF
AC WAVEFORMS
VIN
VOUT
1.3 V
tPHL
1.3 V
Figure 1
1.3 V
tPLH
1.3 V
VIN
VOUT
FAST AND LS TTL DATA
5-58
1.3 V
tPHL
1.3 V
1.3 V
tPLH
1.3 V
Figure 2