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參數(shù)資料
| 型號(hào)： | HCT251 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Zener Diode; Zener Voltage Typ, Vz:2.4V; Vz Test Current, Izt:20mA; Power Dissipation, Pd:500mW; Package/Case:DO-35; Breakdown Voltage Max:1.1V; Mounting Type:Through Hole; Terminal Type:Axial Leaded |
| 中文描述： | 8輸入多路復(fù)用器，三態(tài) |
| 文件頁(yè)數(shù)： | 5/7頁(yè) |
| 文件大?。?/td> | 53K |
| 代理商： | HCT251 |
December 1990
5
Philips Semiconductors
Product specification
8-input multiplexer; 3-state
74HC/HCT251
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
.
Output capability: standard
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
I
n
to Y
50
18
14
55
20
16
66
24
19
69
25
20
36
13
10
39
14
11
19
7
6
170
34
29
175
35
30
205
41
35
205
41
35
140
28
24
140
28
24
75
15
13
215
43
37
220
44
37
255
51
43
255
51
43
175
35
30
170
35
30
95
19
16
255
51
43
265
53
45
310
62
53
310
62
53
210
42
36
210
42
36
110
22
19
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
Fig.6
t
PHL
/ t
PLH
propagation delay
I
n
to Y
ns
Fig.7
t
PHL
/ t
PLH
propagation delay
S
n
to Y
ns
Fig.6
t
PHL
/ t
PLH
propagation delay
S
n
to Y
ns
Fig.7
t
PZH
/ t
PZL
3-state output enable time
OE to Y, Y
ns
Fig.7
t
PHZ
/ t
PLZ
3-state output disable time
OE to Y, Y
ns
Fig.7
t
THL
/ t
TLH
output transition time
ns
Figs 6 and 7
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HCT259 | Zener Diode; Zener Voltage Typ, Vz:2.7V; Vz Test Current, Izt:20mA; Power Dissipation, Pd:500mW; Package/Case:DO-35; Breakdown Voltage Max:2.7V; Forward Current:200A; Leakage Current Max:100uA; Mounting Type:Through Hole |
| HCT4015 | Dual 4-bit serial-in/parallel-out shift register |
| HCT4046A | Phase-locked-loop with VCO |
| HCT4051 | 8-channel analog multiplexer/demultiplexer |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HCT251341 | 制造商:Hubbell Wiring Device-Kellems 功能描述:CABLETRAK, KIT WITH BTKTS, 1' |
| HCT25134K | 制造商:Hubbell Wiring Device-Kellems 功能描述:CABLETRAK, EXT KIT, 4.5' |
| HCT252341 | 制造商:Hubbell Wiring Device-Kellems 功能描述:CABLETRAK, KIT WITH BTKTS, 1' |
| HCT25234K | 制造商:Hubbell Wiring Device-Kellems 功能描述:CABLETRAK, EXT KIT, 4.5' |
| HCT252471 | 制造商:Hubbell Wiring Device-Kellems 功能描述:CABLETRAK, EXT KIT, 1' |
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