参数资料
型号: 74AVCH16245
厂商: NXP Semiconductors N.V.
英文描述: 16-bit transceiver with direction pin;3.6 V tolerant; 3-state(3.6 V 容限,三态,带定向引脚的16位收发器)
中文描述: 16位方向针器; 3.6 V的宽容,3态(3.6 V的容限,三态,带定向引脚的16位收发器)
文件页数: 3/16页
文件大小: 88K
代理商: 74AVCH16245
2000 Mar 07
3
Philips Semiconductors
Product Specification
16-bit transceiver with direction pin; 3.6 V tolerant;
3-state
74AVCH16245
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 nB
n
;
nB
n
to nA
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
5.4
3.1
2.3
1.6
1.4
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
42
2
pF
pF
INPUTS
INPUTS/OUTPUTS
nOE
nDIR
nA
n
A = B
inputs
Z
nB
n
inputs
B = A
Z
L
L
H
L
H
X
相关PDF资料
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