參數(shù)資料
型號(hào): 74AVCH16244
廠商: NXP Semiconductors N.V.
英文描述: 16-bit buffer/line driver; 3.6 V tolerant; 3-state
中文描述: 16位緩沖/線驅(qū)動(dòng)器;耐壓3.6V;3態(tài)
文件頁(yè)數(shù): 3/16頁(yè)
文件大?。?/td> 80K
代理商: 74AVCH16244
2000 Mar 07
3
Philips Semiconductors
Product Specification
16-bit buffer/line driver; 3.6 V tolerant;
3-state
74AVCH16244
QUICK REFERENCE DATA
GND = 0 V; T
amb
= 25
°
C; t
r
= t
f
2.0 ns.
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
5.2
2.9
2.1
1.5
1.3
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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