參數(shù)資料
型號: SN74LS259
廠商: ON SEMICONDUCTOR
英文描述: LOW POWER SCHOTTKY
中文描述: 低功耗肖特基
文件頁數(shù): 4/8頁
文件大?。?/td> 142K
代理商: SN74LS259
SN74LS259
http://onsemi.com
4
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
2.7
3.5
V
V
CC
= MIN, I
OH
= MAX, V
IN
= V
IH
or V
IL
per Truth Table
V
OL
Output LOW Voltage
0.25
0.4
V
I
OL
= 4.0 mA
V
CC
= V
CC
MIN,
V
IN
= V
IL
or V
IH
per Truth Table
0.35
0.5
V
I
OL
= 8.0 mA
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
–0.4
mA
V
CC
= MAX, V
IN
= 0.4 V
I
OS
Short Circuit Current (Note 1)
–20
–100
mA
V
CC
= MAX
I
CC
Power Supply Current
36
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
(T
A
= 25
°
C, V
CC
= 5.0 V)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
t
PLH
t
PHL
Turn-Off Delay, Enable to Output
Turn-On Delay, Enable to Output
22
15
35
24
ns
ns
t
PLH
t
PHL
Turn-Off Delay, Data to Output
Turn-On Delay, Data to Output
20
13
32
21
ns
ns
C
= 15 pF
L
t
PLH
t
PHL
Turn-Off Delay, Address to Output
Turn-On Delay, Address to Output
24
18
38
29
ns
ns
t
PHL
Turn-On Delay, Clear to Output
17
27
ns
AC SET-UP REQUIREMENTS
(T
A
= 25
°
C, V
CC
= 5.0 V)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
t
s
Input Setup Time
20
ns
t
W
Pulse Width, Clear or Enable
15
ns
t
h
Hold Time, Data
5.0
ns
t
h
Hold Time, Address
20
ns
相關(guān)PDF資料
PDF描述
SN74LS259D LOW POWER SCHOTTKY
SN74LS259N LOW POWER SCHOTTKY
SN74LS260D DUAL 5-INPUT NOR GATE
SN54LS260 Octal Bidirectional Transceiver with 3-State Inputs/Outputs; Package: SOEIAJ-20; No of Pins: 20; Container: Rail; Qty per Container: 40
SN54LS260J Octal Bidirectional Transceiver with 3-State Inputs/Outputs; Package: 20 LEAD PDIP; No of Pins: 20; Container: Rail; Qty per Container: 18
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