參數(shù)資料
型號: 74LVCH32244A
廠商: NXP Semiconductors N.V.
英文描述: 32-bit buffer/line driver; 5 V input/output tolerant; 3-state
中文描述: 32位緩沖器/線路驅(qū)動器; 5 V輸入/輸出寬容,三態(tài)
文件頁數(shù): 8/16頁
文件大小: 76K
代理商: 74LVCH32244A
1999 Aug 31
8
Philips Semiconductors
Product specification
32-bit buffer/line driver; 5 V input/output
tolerant; 3-state
74LVC32244A;
74LVCH32244A
AC CHARACTERISTICS
Ground = 0 V; t
r
= t
f
2.5 ns; C
L
= 50 pF; R
L
= 500
.
Notes
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)
3.0
3.5
3.7
MAX.
t
PHL
/t
PLH
propagation delay
nA
n
to nY
n
see Figs 4 and 6
1.5
1.5
1.5
1.5
1.5
1.5
5.5
4.5
6.5
5.5
6.2
5.2
ns
t
PZH
/t
PZL
3-state output enable time
nOE to nY
n
see Figs 5 and 6
ns
t
PHZ
/t
PLZ
3-state output disable time
nOE to nY
n
see Figs 5 and 6
ns
Fig.4 Input nA
n
to output nY
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
MNA474
nAn
INPUT
nYn
OUTPUT
tPHL
tPLH
GND
VI
VM
VM
VOH
VOL
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