參數(shù)資料
型號(hào)： SNJ54LV157AW
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： LV/LV-A/LVX/H SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CDFP16
封裝： CERAMIC, DFP-16
文件頁(yè)數(shù)： 15/19頁(yè)
文件大?。?/td> 608K
代理商： SNJ54LV157AW
SN54LV157A, SN74LV157A
QUADRUPLE 2LINE TO 1LINE DATA SELECTORS/MULTIPLEXERS
SCLS397F APRIL 1998 REVISED APRIL 2005
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
VCC = 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54LV157A
SN74LV157A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
A or B
Y
7.4*
15.9*
1*
19.5*
1
19.5
tpd
A/B
Y
CL = 15 pF
7.9*
19.4*
1*
23.5*
1
23.5
ns
tpd
G
Y
CL = 15 pF
7.8*
19.8*
1*
24*
1
24
ns
A or B
Y
9.4
18.8
1
22
1
22
tpd
A/B
Y
CL = 50 pF
10.8
22.3
1
26
1
26
ns
tpd
G
Y
CL = 50 pF
9.6
22.7
1
26.5
1
26.5
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
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
SN54LV157A
SN74LV157A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
A or B
Y
5.2*
9.7*
1*
11.5*
1
11.5
tpd
A/B
Y
CL = 15 pF
5.8*
13.2*
1*
15.5*
1
15.5
ns
tpd
G
Y
CL = 15 pF
5.5*
13.6*
1*
16*
1
16
ns
A or B
Y
6.7
13.2
1
15
1
15
tpd
A/B
Y
CL = 50 pF
7.6
16.7
1
19
1
19
ns
tpd
G
Y
CL = 50 pF
7
17.1
1
19.5
1
19.5
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
switching characteristics over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54LV157A
SN74LV157A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
A or B
Y
3.6*
6.4*
1*
7.5*
1
7.5
tpd
A/B
Y
CL = 15 pF
4.1*
8.1*
1*
9.5*
1
9.5
ns
tpd
G
Y
CL = 15 pF
3.8*
8.6*
1*
10*
1
10
ns
A or B
Y
4.8
8.4
1
9.5
1
9.5
tpd
A/B
Y
CL = 50 pF
5.4
10.1
1
11.5
1
11.5
ns
tpd
G
Y
CL = 50 pF
5
10.6
1
12
1
12
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
noise characteristics, VCC = 3.3 V, CL = 50 pF, TA = 25°C (see Note 5)
PARAMETER
SN74LV157A
UNIT
PARAMETER
MIN
TYP
MAX
UNIT
VOL(P)
Quiet output, maximum dynamic VOL
0.3
0.8
V
VOL(V)
Quiet output, minimum dynamic VOL
0.1
0.8
V
VOH(V)
Quiet output, minimum dynamic VOH
3.2
V
VIH(D)
High-level dynamic input voltage
2.31
V
VIL(D)
Low-level dynamic input voltage
0.99
V
NOTE 5: Characteristics are for surface-mount packages only.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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