參數(shù)資料
型號: 74HC4511
廠商: NXP Semiconductors N.V.
英文描述: BCD to 7-segment latch/decoder/driver
中文描述: BCD碼至7段鎖存器/解碼器/驅(qū)動器
文件頁數(shù): 9/12頁
文件大?。?/td> 80K
代理商: 74HC4511
December 1990
9
Philips Semiconductors
Product specification
BCD to 7-segment latch/decoder/driver
74HC/HCT4511
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
SYMBOL
PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HCT
V
CC
(V)
WAVEFORMS
+
25
40 to
+
85
40 to
+
125
min.
typ.
max.
min.
max.
min.
max.
t
PHL
/ t
PLH
propagation delay
D
n
to Q
n
propagation delay
LE to Q
n
propagation delay
BI to Q
n
propagation delay
LT to Q
n
output transition time
28
60
75
90
ns
4.5
Fig.8
t
PHL
/ t
PLH
27
54
68
81
ns
4.5
Fig.9
t
PHL
/ t
PLH
23
44
55
66
ns
4.5
Fig.10
t
PHL
/ t
PLH
16
30
38
45
ns
4.5
Fig.8
t
THL
/ t
TLH
7
15
19
22
ns
4.5
Figs 8, 9 and
10
Fig.9
t
W
latch enable pulse
width
LOW
set-up time
D
n
to LE
hold time
D
n
to LE
16
5
20
24
ns
4.5
t
su
12
5
15
18
ns
4.5
Fig.11
t
h
0
4
0
0
ns
4.5
Fig.11
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