參數(shù)資料
型號: 74HCT137
廠商: NXP Semiconductors N.V.
英文描述: 8-Line To 1-Line Data Selectors/Multiplexers 16-TSSOP -40 to 85
中文描述: 3至8線路解碼器/多路解復用器的地址鎖存器;反相
文件頁數(shù): 2/19頁
文件大?。?/td> 107K
代理商: 74HCT137
9397 750 13804
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 03 — 11 November 2004
2 of 19
Philips Semiconductors
74HC137
3-to-8 line decoder, demultiplexer with address latches; inverting
3.
Quick reference data
[1]
C
PD
is used to determine the dynamic power dissipation (P
D
in
μ
W).
P
D
= C
PD
×
V
CC2
×
f
i
×
N +
(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 V;
N = number of inputs switching;
(C
L
×
V
CC2
×
f
o
) = sum of outputs.
4.
Ordering information
Table 1:
GND = 0 V; T
amb
= 25
°
C; t
r
= t
f
= 6 ns.
Symbol
Parameter
t
PHL
, t
PLH
propagation delay
An to Yn
LE to Yn
E1 to Yn
E2 to Yn
C
I
input capacitance
C
PD
power dissipation
capacitance
Quick reference data
Conditions
C
L
= 15 pF; V
CC
= 5 V
Min
Typ
Max
Unit
-
-
-
-
-
18
17
15
15
3.5
57
-
-
-
-
-
-
ns
ns
ns
ns
pF
pF
V
I
= GND to V
CC
[1]
-
Table 2:
Type number
Ordering information
Package
Temperature range
40
°
C to +125
°
C
40
°
C to +125
°
C
Name
DIP16
SO16
Description
plastic dual in-line package; 16 leads (300 mil)
plastic small outline package; 16 leads;
body width 3.9 mm
plastic shrink small outline package; 16 leads;
body width 5.3 mm
Version
SOT38-4
SOT109-1
74HC137N
74HC137D
74HC137DB
40
°
C to +125
°
C
SSOP16
SOT338-1
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