参数资料
型号: SN74LS247D
厂商: MOTOROLA INC
元件分类: 编、解码器及复用、解复用
英文描述: LS SERIES, SEVEN SEGMENT DECODER/DRIVER, INVERTED OUTPUT, PDSO16
封装: SOIC-16
文件页数: 4/6页
文件大小: 129K
代理商: SN74LS247D
5-4
FAST AND LS TTL DATA
SN54/74LS247
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
Supply Voltage
54
74
4.5
4.75
5.0
5.5
5.25
V
TA
Operating Ambient Temperature Range
54
74
–55
0
25
125
70
°C
IOH
Output Current — High
BI / RBO
54, 74
–50
A
IOL
Output Current — Low
BI / RBO
54
74
1.6
3.2
mA
VO(off)
Off-State Output Voltage
a – g
54, 74
15
V
IO(on)
On-State Output Current
a – g
On-State Output Current
a–g
54
74
12
24
mA
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Sb l
P
Limits
Ui
T
C
di i
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
VIL
Input LOW Voltage
54
0.7
V
Guaranteed Input LOW Voltage for
VIL
Input LOW Voltage
74
0.8
V
pg
All Inputs
VIK
Input Clamp Diode Voltage
– 0.65
– 1.5
V
VCC = MIN, IIN = – 18 mA
VOH
Output HIGH Voltage
54
2.4
4.2
V
VCC = MIN, IOH = MAX, VIN = VIH
VOH
pg
BI / RBO
74
2.4
4.2
V
CC
, OH
,
IN
IH
or VIL per Truth Table
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
IOL = 1.6 mA
VCC = VCC MIN,
VIN =VIL or VIH
VOL
pg
BI / RBO
74
0.35
0.5
V
IOL = 3.2 mA
VIN = VIL or VIH
per Truth Table
IO(off)
Off-State Output Current
a–g
54, 74
250
A
VCC = MAX, VIH = 2.0 V,
VO(off) = 15 V, VIL = MAX
VO(on)
On-State Output Voltage
54, 74
0.25
0.4
V
IO(on) = 12 mA
VCC = MIN, VIH = 2.0 V,
VO(on)
pg
a–g
74
0.35
0.5
V
IO(on) = 24 mA
CC
,
IH
,
VIL per Truth Table
IIH
Input HIGH Current
20
A
VCC = MAX, VIN = 2.7 V
IIH
Input HIGH Current
0.1
mA
VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
Any Input, except BI / RBO
– 0.4
mA
VCC = MAX, VIN = 0.4 V
IL
BI / RBO
– 1.2
CC
,
IN
IOS
Short Circuit Current
BI / RBO (Note 1)
– 0.3
– 2.0
mA
VCC = MAX
ICC
Power Supply Current
7.0
13
mA
VCC = MAX
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS (VCC = 5.0 V, TA = 25°C)
Sb l
P
Limits
Ui
T
C
di i
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
tPLH
tPHL
Turn-Off Time from A Input
Turn-On Time from A Input
100
ns
CL = 15 pF,
tPHL
tPLH
Turn-Off Time from RBI Input
Turn-On Time from RBI Input
100
ns
L
p,
RL = 665
相关PDF资料
PDF描述
SN74LS247JDS LS SERIES, SEVEN SEGMENT DECODER/DRIVER, INVERTED OUTPUT, CDIP16
SN74LS248NDS LS SERIES, SEVEN SEGMENT DECODER/DRIVER, TRUE OUTPUT, PDIP16
SN74LS249JDS LS SERIES, SEVEN SEGMENT DECODER/DRIVER, TRUE OUTPUT, CDIP16
SN74LS251JS LS SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, CDIP16
SN74LS251ND LS SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDIP16
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