參數(shù)資料
型號: 74ABT540PWDH
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Octal buffer, inverting 3-State
中文描述: ABT SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO20
文件頁數(shù): 5/10頁
文件大?。?/td> 100K
代理商: 74ABT540PWDH
Philips Semiconductors
Product specification
74ABT540
Octal buffer, inverting (3-State)
1998 Jan 16
5
AC CHARACTERISTICS
GND = 0V; t
R
= t
F
= 2.5ns; C
L
= 50pF, R
L
= 500
LIMITS
SYMBOL
PARAMETER
WAVEFORM
T
amb
= +25
°
C
V
CC
= +5.0V
T
amb
= –40
°
C to +85
°
C
CC
= +5.0V
±
0.5V
UNIT
Min
Typ
Max
Min
Max
t
PLH
t
PHL
Propagation delay
An to Yn
1
1.0
1.0
2.9
3.1
4.1
4.3
1.0
1.0
4.8
4.8
ns
t
PZH
t
PZL
Output enable time
to High and Low level
2
1.1
1.1
4.1
4.6
4.9
5.8
1.1
1.1
5.9
6.4
ns
t
PHZ
t
PLZ
Output disable time
from High and Low level
2
1.5
1.2
3.6
2.9
6.8
5.7
1.5
1.2
7.3
6.2
ns
AC WAVEFORMS
V
M
= 1.5V, V
IN
= GND to 3.0V
An INPUT
V
M
V
M
Yn OUTPUT
V
M
V
M
t
PHL
t
PLH
SA00200
Waveform 1. Waveforms Showing the Input (An) to Output (Yn)
Propagation Delays
OEn
INPUT
V
M
V
M
t
PZH
t
PHZ
Yn
OUTPUT
V
OH
V
OH
– 0.3V
V
M
V
M
Yn
OUTPUT
V
OL
t
PZL
t
PLZ
3.5V
0V
V
OL
+ 0.3V
SA00201
Waveform 2. Waveforms Showing the 3-State Output Enable
and Disable Times
TEST CIRCUIT AND WAVEFORMS
C
L
= 50 pF
500
Load Circuit
DEFINITIONS
C
L
=
Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
TEST
S1
t
pd
open
t
PLZ
/t
PZL
7 V
t
PHZ
/t
PZH
open
SA00012
500
From Output
Under Test
S1
7 V
Open
GND
相關PDF資料
PDF描述
74ABT540 Octal buffer, inverting (3-State)(八反相(三態(tài))D緩沖器)
74ABT541 Octal buffer/line driver (3-State)(八緩沖器/線驅動器(三態(tài)))
74ABT541PWDH Octal buffer/line driver 3-State
74ABT541CMTCX Octal Buffer/Line Driver with 3-STATE Outputs
74ABT541CMSAX Octal Buffer/Line Driver with 3-STATE Outputs
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