參數(shù)資料
型號: SN74AHC157RGYRG4
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: AHC/VHC/H/U/V SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PQCC16
封裝: GREEN, PLASTIC, MO-241BB, QFN-16
文件頁數(shù): 20/25頁
文件大?。?/td> 1050K
代理商: SN74AHC157RGYRG4
SN54AHC157, SN74AHC157
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SCLS345I MAY 1996 REVISED JULY 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
TA = 25°C
SN54AHC157
SN74AHC157
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
1.9
2
1.9
IOH = 50 mA
3 V
2.9
3
2.9
VOH
IOH
50
mA
4.5 V
4.4
4.5
4.4
V
VOH
IOH = 4 mA
3 V
2.58
2.48
V
IOH = 8 mA
4.5 V
3.94
3.8
2 V
0.1
IOL = 50 mA
3 V
0.1
VOL
IOL
50
mA
4.5 V
0.1
V
VOL
IOL = 4 mA
3 V
0.36
0.5
0.44
V
IOL = 8 mA
4.5 V
0.36
0.5
0.44
II
A or B inputs
VI = 5.5 V or GND
0 V to 5.5 V
±0.1
±1*
±1
mA
ICC
VI = VCC or GND,
IO = 0
5.5 V
4
40
mA
Ci
VI = VCC or GND
5 V
2
10
pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
switching characteristics over recommended operating free-air temperature range,
VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54AHC157
SN74AHC157
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
AorB
Y
C
15 pF
6.2**
9.7**
1**
11.5**
1
11.5
ns
tPHL
A or B
Y
CL = 15 pF
6.2**
9.7**
1**
11.5**
1
11.5
ns
tPLH
A/B
Y
C
15 pF
8.4**
13.2**
1**
15.5**
1
15.5
ns
tPHL
A/B
Y
CL = 15 pF
8.4**
13.2**
1**
15.5**
1
15.5
ns
tPLH
G
Y
C =15pF
8.7**
13.6**
1**
16**
1
16
ns
tPHL
G
Y
CL = 15 pF
8.7**
13.6**
1**
16**
1
16
ns
tPLH
AorB
Y
C
50 pF
8.7
13.2
1
15
1
15
ns
tPHL
A or B
Y
CL = 50 pF
8.7
13.2
1
15
1
15
ns
tPLH
A/B
Y
C
50 pF
10.9
16.7
1
19
1
19
ns
tPHL
A/B
Y
CL = 50 pF
10.9
16.7
1
19
1
19
ns
tPLH
G
Y
C =50pF
11.2
17.1
1
19.5
1
19.5
ns
tPHL
G
Y
CL = 50 pF
11.2
17.1
1
19.5
1
19.5
ns
** On products compliant to MIL-PRF-38535, this parameter is not production tested.
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