參數(shù)資料
型號(hào): 74HC240
廠商: NXP Semiconductors N.V.
英文描述: Octal buffer/line driver; 3-state; inverting
中文描述: 八路緩沖器/線路驅(qū)動(dòng)器,3態(tài);反相
文件頁(yè)數(shù): 5/7頁(yè)
文件大?。?/td> 44K
代理商: 74HC240
December 1990
5
Philips Semiconductors
Product specification
Octal buffer/line driver; 3-state; inverting
74HC/HCT240
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)
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
1A
n
to 1Y
n
;
2A
n
to 2Y
n
t
PZH
/ t
PZL
3-state output enable time
1OE to 1Y
n
;
2OE to 2Y
n
t
PHZ
/ t
PLZ
3-state output disable time
1OE to 1Y
n
;
2OE to 2Y
n
t
THL
/ t
TLH
output transition time
30
11
9
39
14
11
41
15
12
14
5
4
100
20
17
150
30
26
150
30
26
60
12
10
125
25
21
190
38
33
190
38
33
75
15
13
150
30
26
225
45
38
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
Fig.5
ns
Fig.6
ns
Fig.6
ns
Fig.5
相關(guān)PDF資料
PDF描述
74HCT240 Octal buffer/line driver; 3-state; inverting
74HCT240 OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
74HC241 Octal buffer/line driver; 3-state
74HCT241 Octal buffer/line driver; 3-state
74HC242 Quad bus transceiver; 3-state; inverting
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