參數(shù)資料
型號: 74AVC16244
廠商: NXP Semiconductors N.V.
英文描述: 16-bit buffer/line driver; 3-state 3.6 V tolerant
中文描述: 16位緩沖/線驅(qū)動器;3態(tài)耐壓3.6V
文件頁數(shù): 3/16頁
文件大?。?/td> 79K
代理商: 74AVC16244
1999 Nov 15
3
Philips Semiconductors
Product specification
16-bit buffer/line driver; 3-state
(3.6 V tolerant)
74AVC16244
QUICK REFERENCE DATA
GND = 0 V; T
amb
= 25
°
C; t
r
= t
f
2.0 ns; C
L
= 30 pF.
Notes
1.
C
PD
is used to determine the dynamic power dissipation (P
D
in
μ
W).
P
D
= C
PD
×
V
CC2
×
f
i
+
(C
L
×
V
CC2
×
f
o
) where:
f
i
= input frequency in MHz;
f
o
= output frequency in MHz;
C
L
= output load capacitance in pF;
V
CC
= supply voltage in Volts;
(C
L
×
V
CC2
×
f
o
) = sum of outputs.
The condition is V
I
= GND to V
CC
.
2.
FUNCTION TABLE
See note 1.
Note
1.
H = HIGH voltage level;
L = LOW voltage level;
X = don’t care;
Z = high-impedance OFF-state.
SYMBOL
PARAMETER
CONDITIONS
TYP.
UNIT
t
PHL
/t
PLH
propagation delay
nA
n
to nY
n
V
CC
= 1.2 V
V
CC
= 1.5 V
V
CC
= 1.8 V
V
CC
= 2.5 V
V
CC
= 3.3 V
2.6
1.8
1.7
1.3
1.1
5.0
ns
ns
ns
ns
ns
pF
C
I
C
PD
input capacitance
power dissipation
capacitance per buffer
notes 1 and 2
outputs enabled
outputs disabled
34
1
pF
pF
INPUTS
OUTPUTS
nOE
nA
n
L
H
X
nY
n
L
H
Z
L
L
H
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