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參數資料
| 型號： | SN74LVC157ADB |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER |
| 中文描述： | 四2線1線數據選擇器/多路轉換 |
| 文件頁數： | 3/8頁 |
| 文件大?。?/td> | 124K |
| 代理商： | SN74LVC157ADB |
SN74LVC157A
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER
SCAS292G – JANUARY 1993 – REVISED OCTOBER 1998
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
CC
Input voltage range, V
I
(see Note 1)
Output voltage range, V
O
(see Notes 1 and 2)
Input clamp current, I
IK
(V
I
< 0)
Output clamp current, I
OK
(V
O
< 0)
Continuous output current, I
O
Continuous current through V
CC
or GND
Package thermal impedance,
θ
JA
(see Note 3): D package
–0.5 V to 6.5 V
–0.5 V to 6.5 V
–0.5 V to V
CC
+ 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DB package
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PW package
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. The input negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The value of VCC is provided in the recommended operating conditions table.
3. The package thermal impedance is calculated in accordance with JESD 51.
–50 mA
–50 mA
±
50 mA
±
100 mA
113
°
C/W
131
°
C/W
149
°
C/W
–65
°
C to 150
°
C
recommended operating conditions (see Note 4)
MIN
1.65
MAX
3.6
UNIT
VCC
Supply voltage
Operating
V
Data retention only
1.5
VCC = 1.65 V to 1.95 V
VCC = 2.3 V to 2.7 V
VCC = 2.7 V to 3.6 V
VCC = 1.65 V to 1.95 V
VCC = 2.3 V to 2.7 V
VCC = 2.7 V to 3.6 V
0.65
×
VCC
1.7
VIH
High-level input voltage
V
2
0.35
×
VCC
0.7
VIL
Low-level input voltage
V
0.8
VI
VO
Input voltage
0
5.5
V
Output voltage
0
VCC
–4
V
VCC = 1.65 V
VCC = 2.3 V
VCC = 2.7 V
VCC = 3 V
VCC = 1.65 V
VCC = 2.3 V
VCC = 2.7 V
VCC = 3 V
IOH
High level output current
High-level output current
–8
mA
–12
–24
4
IOL
Low level output current
Low-level output current
8
mA
12
24
t/
v
Input transition rise or fall rate
0
10
ns/V
TA
Operating free-air temperature
–40
85
°
C
NOTE 4: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs literature number SCBA004.
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| SN74LVC157ADBR | 功能描述:編碼器、解碼器、復用器和解復用器 Quad Data RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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| SN74LVC157ADE4 | 功能描述:編碼器、解碼器、復用器和解復用器 Quad 2-1-Line Data Slctr/Mltplxr RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| SN74LVC157ADG4 | 功能描述:編碼器、解碼器、復用器和解復用器 Quad 2 Ln To 1 Ln Data Selctr Multplxr RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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