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參數(shù)資料
| 型號： | SN74HC148D |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 算術(shù)邏輯單元 |
| 英文描述： | HC/UH SERIES, 8-BIT ENCODER, INVERTED OUTPUT, PDSO16 |
| 封裝： | GREEN, PLASTIC, MS-012AC, SOIC-16 |
| 文件頁數(shù)： | 17/21頁 |
| 文件大小： | 814K |
| 代理商： | SN74HC148D |
SN54HC148, SN74HC148
8LINE TO 3LINE PRIORITY ENCODERS
SCLS109G MARCH 1984 REVISED APRIL 2004
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
SN54HC148
SN74HC148
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
1.9
1.998
1.9
IOH = 20 A
4.5 V
4.4
4.499
4.4
VOH
VI = VIH or VIL
IOH = 20 A
6 V
5.9
5.999
5.9
V
VOH
VI = VIH or VIL
IOH = 4 mA
4.5 V
3.98
4.3
3.7
3.84
V
IOH = 5.2 mA
6 V
5.48
5.8
5.2
5.34
2 V
0.002
0.1
IOL = 20 A
4.5 V
0.001
0.1
VOL
VI = VIH or VIL
IOL = 20 A
6 V
0.001
0.1
V
VOL
VI = VIH or VIL
IOL = 4 mA
4.5 V
0.17
0.26
0.4
0.33
V
IOL = 5.2 mA
6 V
0.15
0.26
0.4
0.33
II
VI = VCC or 0
6 V
±0.1
±100
±1000
nA
ICC
VI = VCC or 0,
IO = 0
6 V
8
160
80
A
Ci
2 V to 6 V
3
10
pF
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
VCC
TA = 25°C
SN54HC148
SN74HC148
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
69
180
270
225
17
A0, A1, or A2
4.5 V
23
36
54
45
17
A0, A1, or A2
6 V
21
31
46
38
2 V
60
150
225
190
EO
4.5 V
20
30
45
38
07
EO
6 V
17
26
38
33
07
2 V
75
190
285
240
GS
4.5 V
25
38
57
48
tpd
GS
6 V
21
32
48
41
ns
tpd
2 V
78
195
295
245
ns
A0, A1, or A2
4.5 V
26
39
59
49
A0, A1, or A2
6 V
22
33
50
42
2 V
57
145
220
180
EI
GS
4.5 V
19
29
44
36
EI
GS
6 V
16
25
38
31
2 V
66
165
250
205
EO
4.5 V
22
33
50
41
EO
6 V
19
28
43
35
2 V
28
75
110
95
tt
Any
4.5 V
8
15
22
19
ns
tt
Any
6 V
6
13
19
16
ns
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74HC148D | 制造商:Texas Instruments 功能描述:IC ENCODER SMD SOIC16 |
| SN74HC148D | 制造商:Texas Instruments 功能描述:Logic - Encoder IC |
| SN74HC148DB | 制造商:Texas Instruments 功能描述: |
| SN74HC148DBR | 制造商:Texas Instruments 功能描述: |
| SN74HC148DE4 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 8-Line To 3-Line Priority Encoders RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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