參數(shù)資料
型號(hào): 74ALVT16646
廠商: NXP Semiconductors N.V.
英文描述: Hex Schmitt-Trigger Inverters 14-SOIC -40 to 85
中文描述: 2.5V/3.3V的16總線收發(fā)器三態(tài)
文件頁(yè)數(shù): 11/15頁(yè)
文件大?。?/td> 106K
代理商: 74ALVT16646
Philips Semiconductors
Product specification
74ALVT16646
2.5V/3.3V 16-bit bus transceiver (3-State)
1998 Feb 13
11
AC CHARACTERISTICS (2.5V
GND = 0V; t
R
= t
F
= 2.5ns; C
L
= 50pF; R
L
= 500
; T
amb
= –40
°
C to +85
°
C.
0.2V RANGE)
LIMITS
SYMBOL
PARAMETER
WAVEFORM
V
CC
= 2.5V
0.2V
UNIT
MIN
150
1.0
1.0
TYP
1
MAX
f
MAX
t
PLH
t
PHL
Maximum clock frequency
Propagation delay
nCPAB to nBx or nCPBA to nAx
1
MHz
1
3.2
2.8
4.8
4.2
ns
t
PLH
t
PHL
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
PZH
t
PZL
t
PHZ
t
PLZ
Propagation delay
nSAB to nBx or nSBA to nAx
2
1.5
1.5
3.4
3.4
5.8
6.0
ns
Propagation delay
nAx to nBx or nBx to nAx
Output enable time
to High and Low level
Output disable time
from High and Low Level
Output enable time
nDIR to nAx or nBx
Output disable time
nDIR to nAx or nBx
2
3
5
6
5
6
5
6
5
6
0.5
0.5
1.5
1.0
1.5
1.0
2.0
1.0
1.5
1.0
2.2
2.3
3.4
2.7
3.2
2.5
4.1
2.5
3.9
3.1
3.2
3.8
5.8
6.0
5.2
3.7
7.0
4.1
6.1
4.9
ns
ns
ns
ns
ns
NOTE:
1. All typical values are at V
CC
= 3.3V and T
amb
= 25
°
C.
AC SETUP REQUIREMENTS (2.5V
GND = 0V; t
R
= t
F
= 2.5ns; C
L
= 50pF; R
L
= 500
; T
amb
= –40
°
C to +85
°
C.
0.2V RANGE)
LIMITS
SYMBOL
PARAMETER
WAVEFORM
V
CC
= 2.5V
0.2V
UNIT
MIN
TYP
t
S
(H)
t
S
(L)
Setup time, High or Low
nAx to nCPAB or nBx to nCPBA
4
2.0
2.0
1.2
1.2
ns
t
h
(H)
t
h
(L)
Hold time, High or Low
nAx to nCPAB or nBx or nCPBA
4
0.0
0.0
–1.0
–1.0
ns
t
w
(H)
t
w
(L)
Pulse width, High or Low
nCPAB or nCPBA
1
1.5
1.5
ns
AC WAVEFORMS
V
M
= 1.5V at V
CC
V
X
= V
OL
+ 0.3V at V
CC
V
Y
= V
OH
– 0.3V at V
CC
3.0V; V
M
= V
CC
/2 at V
CC
3.0V; V
X
= V
OL
+ 0.15V at V
CC
3.0V; V
Y
= V
OH
– 0.15V at V
CC
2.7V
2.7V
2.7V
V
M
V
M
V
M
V
M
V
M
1/f
MAX
t
w
(H)
t
PHL
t
w
(L)
t
PLH
nCPBA or
nCPAB
nAx or nBx
SH00030
0V
3.0V or V
CC
whichever
is less
V
OH
V
OL
Waveform 1. Propagation Delay, Clock Input to Output, Clock
Pulse Width, and Maximum Clock Frequency
nSBA or nSAB
V
M
t
PLH
t
PHL
V
M
V
M
V
M
nAx or nBx
nAx or nBx
nAx or nBx
SH00031
3.0V or V
CC
0V
V
OH
V
OL
Waveform 2. Propagation Delay, nSAB to nBx or nSBA to nAx,
nAx to nBx or nBx to nAx
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