参数资料
型号: 74AVC16373
厂商: NXP Semiconductors N.V.
英文描述: 16-bit D-type transparent latch; 3.6 V tolerant; 3-state
中文描述: 16位D型透明锁存器;耐压3.6V;3态
文件页数: 3/16页
文件大小: 87K
代理商: 74AVC16373
2000 Mar 09
3
Philips Semiconductors
Product Specification
16-bit D-type transparent latch; 3.6 V tolerant;
3-state
74AVC16373
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;
h = HIGH voltage level one set-up time prior to the HIGH-to-LOW LE transition;
L = LOW voltage level;
l = LOW voltage level one set-up time prior to the HIGH-to-LOW LE transition;
Z = high impedance OFF-state.
SYMBOL
PARAMETER
CONDITIONS
TYP.
UNIT
t
PHL
/t
PLH
propagation delay
nD
n
to nQ
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
3.6
3.1
2.2
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
34
1
pF
pF
OPERATING MODES
INPUTS
INTERNAL
LATCHES
OUTPUTS
nOE
LE
nA
n
L
H
l
h
l
h
nY
n
L
H
L
H
Z
Z
Enable and read register
(transparent mode)
Latch and read register
(hold mode)
Latch register and disable outputs
L
L
L
L
H
H
H
H
L
L
L
L
L
H
L
H
L
H
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