參數(shù)資料
型號(hào): SN74AHC157PWE4
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, PDSO16
封裝: GREEN, PLASTIC, TSSOP-16
文件頁(yè)數(shù): 21/25頁(yè)
文件大小: 1050K
代理商: SN74AHC157PWE4
SN54AHC157, SN74AHC157
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SCLS345I MAY 1996 REVISED JULY 2003
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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
SN54AHC157
SN74AHC157
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
AorB
Y
C
15 pF
4.1*
6.4*
1*
7.5*
1
7.5
ns
tPHL
A or B
Y
CL = 15 pF
4.1*
6.4*
1*
7.5*
1
7.5
ns
tPLH
A/B
Y
C
15 pF
5.3*
8.1*
1*
9.5*
1
9.5
ns
tPHL
A/B
Y
CL = 15 pF
5.3*
8.1*
1*
9.5*
1
9.5
ns
tPLH
G
Y
C =15pF
5.6*
8.6*
1*
10*
1
10
ns
tPHL
G
Y
CL = 15 pF
5.6*
8.6*
1*
10*
1
10
ns
tPLH
AorB
Y
C
50 pF
5.6
8.4
1
9.5
1
9.5
ns
tPHL
A or B
Y
CL = 50 pF
5.6
8.4
1
9.5
1
9.5
ns
tPLH
A/B
Y
C
50 pF
6.8
10.1
1
11.5
1
11.5
ns
tPLH
A/B
Y
CL = 50 pF
6.8
10.1
1
11.5
1
11.5
ns
tPLH
G
Y
C =50pF
7.1
10.6
1
12
1
12
ns
tPHL
G
Y
CL = 50 pF
7.1
10.6
1
12
1
12
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
noise characteristics VCC = 5 V, CL = 50 pF, TA = 25°C (see Note 5)
PARAMETER
SN74AHC157
UNIT
PARAMETER
MIN
TYP
MAX
UNIT
VOL(P)
Quiet output, maximum dynamic VOL
0.8
V
VOL(V)
Quiet output, minimum dynamic VOL
0.8
V
VOH(V)
Quiet output, minimum dynamic VOH
4.8
V
VIH(D)
High-level dynamic input voltage
3.5
V
VIL(D)
Low-level dynamic input voltage
1.5
V
NOTE 5: Characteristics are for surface-mount packages only.
operating characteristics, VCC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load,
f = 1 MHz
11
pF
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