參數(shù)資料
型號： SN54HC253W
廠商： TEXAS INSTRUMENTS INC
元件分類： 編、解碼器及復(fù)用、解復(fù)用
英文描述： HC/UH SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CDFP16
封裝： CERAMIC, DFP-16
文件頁數(shù)： 7/11頁
文件大?。?/td> 214K
代理商： SN54HC253W
SN54HC253, SN74HC253
DUAL 4-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
WITH 3-STATE OUTPUTS
SCLS133B – DECEMBER 1982 – REVISED MAY 1997
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
SN54HC253
SN74HC253
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
6 V
5.9
5.999
5.9
V
IOH = –6 mA
4.5 V
3.98
4.3
3.7
3.84
IOH = –7.8 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
6 V
0.001
0.1
V
IOL = 6 mA
4.5 V
0.17
0.26
0.4
0.33
IOL = 7.8 mA
6 V
0.15
0.26
0.4
0.33
II
VI = VCC or 0
6 V
±0.1
±100
±1000
nA
IOZ
VO = VCC or 0
±0.01
±0.5
±10
±5
A
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
SN54HC253
SN74HC253
UNIT
PARAMETER
(INPUT)
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
62
150
225
190
A or B
Any Y
4.5 V
19
30
45
38
t d
6 V
16
26
38
32
ns
tpd
Dt
2 V
54
126
210
175
ns
Data
(Any C)
Y
4.5 V
16
28
42
35
(Any C)
6 V
13
23
36
30
2 V
28
100
150
125
ten
OE
Y
4.5 V
11
20
30
25
ns
6 V
9
17
26
21
2 V
21
135
203
170
tdis
OE
Y
4.5 V
14
30
45
38
ns
6 V
12
35
38
31
2 V
28
60
90
75
tt
Y
4.5 V
8
12
18
15
ns
6 V
6
10
15
13
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