參數(shù)資料
型號: 74HCT573
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: 4-Bit Synchronous Up/Down Counters (Dual Clock With Clear) 16-SOIC -40 to 85
中文描述: 八路D型透明鎖存器,三態(tài)
文件頁數(shù): 5/7頁
文件大小: 61K
代理商: 74HCT573
December 1990
5
Philips Semiconductors
Product specification
Octal D-type transparent latch; 3-state
74HC/HCT573
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
.
Output capability: bus driver
I
CC
category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
SYMBOL
PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HC
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
47
17
14
50
18
14
44
16
13
55
20
16
14
5
4
14
5
4
11
4
3
3
1
1
150
30
26
150
30
26
140
28
24
150
30
26
60
12
10
190
38
33
190
38
33
175
35
30
190
38
33
75
15
13
225
45
38
225
45
38
210
42
36
225
45
38
90
18
15
ns
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
Fig.6
t
PHL
/ t
PLH
propagation delay
LE to Q
n
ns
Fig.7
t
PZH
/ t
PZL
3-state output enable
time OE to Q
n
ns
Fig.8
t
PHZ
/ t
PLZ
3-state output disable
time OE to Q
n
ns
Fig.8
t
THL
/ t
TLH
output transition time
ns
Fig.6
t
W
enable pulse width
HIGH
80
16
14
50
10
9
5
5
5
100
20
17
65
13
11
5
5
5
120
24
20
75
15
13
5
5
5
ns
Fig.7
t
su
set-up time
D
n
to LE
ns
Fig.9
t
h
hold time
D
n
to LE
ns
Fig.9
相關(guān)PDF資料
PDF描述
74HC573 Octal D-type transparent latch; 3-state
74HCT573PW 4-Bit Synchronous Up/Down Counters (Dual Clock With Clear) 16-PDIP -40 to 85
74HC573 Octal 3-State Noninverting Transparent Latch(High-Performance Silicon-Gate CMOS)
74HCT574 4-Bit Synchronous Up/Down Counters (Dual Clock With Clear) 16-SO -40 to 85
74HC574 Octal D-type flip-flop; positive edge-trigger; 3-state
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