參數(shù)資料
型號(hào): SN74LS247D
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: LOW POWER SCHOTTKY
中文描述: LS SERIES, SEVEN SEGMENT DECODER/DRIVER, INVERTED OUTPUT, PDSO16
封裝: PLASTIC, SOIC-16
文件頁數(shù): 5/8頁
文件大小: 125K
代理商: SN74LS247D
SN74LS247
http://onsemi.com
5
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(unless otherwise specified)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
V
IH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
V
IL
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage for
All Inputs
V
IK
Input Clamp Diode Voltage
–0.65
–1.5
V
V
CC
= MIN, I
IN
= –18 mA
V
OH
Output HIGH Voltage
BI/RBO
2.4
4.2
V
V
CC
= MIN, I
OH
= MAX, V
IN
= V
IH
or V
IL
per Truth Table
V
OL
Output LOW Voltage
BI/RBO
0.25
0.4
V
I
OL
= 1.6 mA
V
CC
= V
CC
MIN,
V
IN
= V
IL
or V
IH
per Truth Table
0.35
0.5
V
I
OL
= 3.2 mA
I
O(off)
Off-State Output Current
a–g
250
μ
A
V
CC
= MAX, V
IH
= 2.0 V,
V
O(off)
= 15 V, V
IL
= MAX
V
O(on)
On-State Output Voltage
a–g
0.25
0.4
V
I
O(on)
= 12 mA
V
= MIN, V
= 2.0 V,
CC
V
IL
per Truth Table
0.35
0.5
V
I
O(on)
= 24 mA
IH
I
IH
Input HIGH Current
20
μ
A
V
CC
= MAX, V
IN
= 2.7 V
0.1
mA
V
CC
= MAX, V
IN
= 7.0 V
I
IL
Input LOW Current
Any Input, except BI/RBO
–0.4
mA
V
= MAX, V
= 0.4 V
CC
BI/RBO
–1.2
IN
I
OS
Short Circuit Current
BI/RBO (Note 1)
–0.3
–2.0
mA
V
CC
= MAX
I
CC
Power Supply Current
7.0
13
mA
V
CC
= MAX
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS
(V
CC
= 5.0 V, T
A
= 25
°
C)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
t
PLH
t
PHL
Turn-Off Time from A Input
Turn-On Time from A Input
100
100
ns
C
= 15 pF,
L
R
L
= 665
t
PHL
t
PLH
Turn-Off Time from RBI Input
Turn-On Time from RBI Input
100
100
ns
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