參數(shù)資料
型號(hào): 74LVCH322245A
廠商: NXP Semiconductors N.V.
英文描述: 32-bit bus transceiver with direction pin;with 30Ω series termination resistors; 5-volt tolerant (3-State)(帶30Ω系列終端電阻器,具有定向引腳的5V輸入/輸出容限的32位總線收發(fā)器(三態(tài)))
中文描述: 32位總線收發(fā)器引腳方向;與30Ω串聯(lián)終端電阻,5伏耐(3態(tài))(帶30Ω系列終端電阻器,具有定向引腳的5V的輸入/輸出容限的32位總線收發(fā)器(三態(tài)))
文件頁(yè)數(shù): 8/16頁(yè)
文件大?。?/td> 87K
代理商: 74LVCH322245A
1999 Sep 01
8
Philips Semiconductors
Product specification
32-bit bus transceiver with direction pin; 30
series termination resistors; 5 V tolerant; 3-state
74LVC322245A;
74LVCH322245A
AC CHARACTERISTICS
GND = 0 V; t
r
= t
f
2.5 ns; C
L
= 50 pF; R
L
= 500
.
Note
1.
All typical values are measured at V
CC
= 3.3 V and T
amb
= 25
°
C.
AC WAVEFORMS
SYMBOL
PARAMETER
TEST CONDITIONS
T
amb
=
40 to +85
°
C
UNIT
WAVEFORMS
V
CC
(V)
2.7
3.0 to 3.6
2.7
3.0 to 3.6
2.7
3.0 to 3.6
MIN.
TYP.
(1)
3.3
4.3
4.0
MAX.
t
PHL
/t
PLH
propagation delay
nA
n
to nB
n
; nB
n
to nA
n
see Figs 4 and 6
1.5
1.5
1.5
1.5
1.5
1.5
6.7
5.7
8.5
7.5
7.5
6.5
ns
t
PZH
/t
PZL
3-state output enable time
nOE to nA
n
; nOE to nB
n
see Figs 5 and 6
ns
t
PHZ
/t
PLZ
3-state output disable time
nOE to nA
n
; nOE to nB
n
see Figs 5 and 6
ns
Fig.4 Input nA
n
, nB
n
to output nB
n
, nA
n
propagation delay times.
V
M
= 1.5 V at V
CC
2.7 V or
V
M
= 0.5
×
V
CC
at V
CC
< 2.7 V.
V
OL
and V
OH
are typical output voltage drop that occur with the output load.
handbook, halfpage
MNA477
nAn, nBn
INPUT
nBn, nAn
OUTPUT
tPHL
tPLH
GND
VI
VM
VM
VOH
VOL
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