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参数资料
| 型号： | SN74LVC157APWLE |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 编、解码器及复用、解复用 |
| 英文描述： | LVC/LCX/Z SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16 |
| 封装： | PLASTIC, TSSOP-16 |
| 文件页数： | 17/22页 |
| 文件大小： | 854K |
| 代理商： | SN74LVC157APWLE |
www.ti.com
Recommended Operating Conditions
(1)
Electrical Characteristics
SN54LVC157A, SN74LVC157A
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SCAS292P – JANUARY 1993 – REVISED JULY 2005
SN74LVC157A
TA = 25°C
–40 TO 85
°C
–40 TO 125
°C
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
Operating
1.65
3.6
1.65
3.6
1.65
3.6
VCC
Supply voltage
V
Data retention only
1.5
VCC = 1.65 V to 1.95 V
0.65
× V
CC
0.65
× V
CC
0.65
× V
CC
High-level input
VIH
VCC = 2.3 V to 2.7 V
1.7
V
voltage
VCC = 2.7 V to 3.6 V
2
VCC = 1.65 V to 1.95 V
0.35
× V
CC
0.35
× V
CC
0.35
× V
CC
Low-level input
VIL
VCC = 2.3 V to 2.7 V
0.7
V
voltage
VCC = 2.7 V to 3.6 V
0.8
VI
Input voltage
0
5.5
0
5.5
0
5.5
V
VO
Output voltage
0
VCC
0
VCC
0
VCC
V
VCC = 1.65 V
–4
VCC = 2.3 V
–8
High-level output
IOH
mA
current
VCC = 2.7 V
–12
VCC = 3 V
–24
VCC = 1.65 V
4
VCC = 2.3 V
8
Low-level output
IOL
mA
current
VCC = 2.7 V
12
VCC = 3 V
24
t/v
Input transition rise or fall rate
10
ns/V
(1)
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.
over recommended operating free-air temperature range (unless otherwise noted)
SN54LVC157A
PARAMETER
TEST CONDITIONS
VCC
–55 TO 125
°C
UNIT
MIN
MAX
IOH = –100 A
2.7 V to 3.6 V
VCC – 0.2
2.7 V
2.2
VOH
IOH = –12 mA
V
3 V
2.4
IOH = –24 mA
3 V
2.2
IOL = 100 A
2.7 V to 3.6 V
0.2
VOL
IOL = 12 mA
2.7 V
0.4
V
IOL = 24 mA
3 V
0.55
II
All inputs
VI = 5.5 V or GND
3.6 V
±5
A
ICC
VI = VCC or GND
IO = 0
3.6 V
10
A
I
CC
One input at VCC – 0.6 V, Other inputs at VCC or GND
2.7 V to 3.6 V
500
A
4
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