DataSheet.jp

74VHC157 の電気的特性と機能

74VHC157のメーカーはSTMicroelectronicsです、この部品の機能は「QUAD 2 CHANNEL MULTIPLEXER」です。


製品の詳細 ( Datasheet PDF )

部品番号 74VHC157
部品説明 QUAD 2 CHANNEL MULTIPLEXER
メーカ STMicroelectronics
ロゴ STMicroelectronics ロゴ 




このページの下部にプレビューと74VHC157ダウンロード(pdfファイル)リンクがあります。

Total 9 pages

No Preview Available !

74VHC157 Datasheet, 74VHC157 PDF,ピン配置, 機能
® 74VHC157
QUAD 2 CHANNEL MULTIPLEXER
s HIGH SPEED: tPD = 4.1 ns (TYP.) at VCC = 5V
s LOW POWER DISSIPATION:
ICC = 4 µA (MAX.) at TA = 25 oC
s HIGH NOISE IMMUNITY:
VNIH = VNIL = 28% VCC (MIN.)
s POWER DOWN PROTECTION ON INPUTS
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 8 mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH tPHL
s OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 5.5V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 157
s IMPROVED LATCH-UP IMMUNITY
s LOW NOISE: VOLP = 0.8V (Max.)
DESCRIPTION
The 74VHC157 is an high-speed CMOS QUAD
2-CHANNEL MULTIPLEXER fabricated with
sub-micron silicon gate and double-layer metal
wiring C2MOS technology.
It consists of four 2-input digital multiplexers with
common select and strobe inputs. It is a
PRELIMINARY DATA
M1
(Micro Package)
T
(TSSOP Package)
ORDER CODES :
74VHC157M
74VHC157T
non-inverting multiplexer. When the STROBE
input is held high, selection of data is inhibited
and all the outputs become low. The SELECT
decoding determines whether the A or B inputs
get routed to their corresponding Y outputs.
Power down protection is provided on all inputs
and 0 to 7V can be accepted on inputs with no
regard to the supply voltage. This device can be
used to interface 5V to 3V.All inputs and outputs
are equipped with protection circuits against static
discharge, giving them 2KV ESD immunity and
transient excess voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
June 1999
1/9

1 Page





74VHC157 pdf, ピン配列
74VHC157
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC Supply Voltage
-0.5 to +7.0
V
VI DC Input Voltage
-0.5 to +7.0
V
VO DC Output Voltage
-0.5 to VCC + 0.5
V
IIK DC Input Diode Current
- 20 mA
IOK DC Output Diode Current
± 20 mA
IO DC Output Current
± 25 mA
ICC orIGND DC VCC or Ground Current
± 50 mA
Tstg Storage Temperature
-65 to +150
oC
TL Lead Temperature (10 sec)
300 oC
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VCC Supply Voltage
VI Input Voltage
VO Output Voltage
Top Operating Temperature
dt/dv Input Rise and Fall Time (see note 1) (VCC = 3.3 ± 0.3V)
(V CC = 5.0 ± 0.5V)
1) VIN from 30% to70%of VCC
Valu e
2.0 to 5.5
0 to 5.5
0 to VCC
-40 to +85
0 to 100
0 to 20
Unit
V
V
V
oC
ns/V
ns/V
DC SPECIFICATIONS
Symb ol
Parameter
VIH High Level Input
Voltage
VIL Low Level Input
Voltage
VOH High Level Output
Voltage
VOL Low Level Output
Voltage
II Input Leakage Current
ICC Quiescent Supply
Current
Test Conditions
V CC
( V)
2.0
3.0 to 5.5
2.0
3.0 to 5.5
2.0
3.0
4.5
3.0
4.5
2.0
3.0
4.5
3.0
4.5
0 to 5.5
5.5
IO=-50 µA
IO=-50 µA
IO=-50 µA
IO=-4 mA
IO=-8 mA
IO=50 µA
IO=50 µA
IO=50 µA
IO=4 mA
IO=8 mA
VI = 5.5V or GND
VI = VCC orGND
Value
TA = 25 oC
Min. Typ. Max.
-40 to 85 oC
Min . Max.
1.5 1.5
0.7VCC
0.7VCC
0.5 0.5
0.3VCC
0.3VCC
1.9 2.0
1.9
2.9 3.0
2.9
4.4 4.5
4.4
2.58 2.48
3.94 3.8
0.0 0.1
0.1
0.0 0.1
0.1
0.0 0.1
0.1
0.36 0.44
0.36 0.44
±0.1 ±1.0
4 40
Un it
V
V
V
V
µA
µA
3/9


3Pages


74VHC157 電子部品, 半導体
74VHC157
WAVEFORM 1: PROPAGATION DELAYS FOR INVERTING CONDITIONS
WAVEFORM 2: PROPAGATION DELAYS FOR NON-INVERTING CONDITIONS
6/9

6 Page



ページ 合計 : 9 ページ
 
PDF
ダウンロード
[ 74VHC157 データシート.PDF ]


データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。


共有リンク

Link :


部品番号部品説明メーカ
74VHC153

Dual 4-Input Multiplexer

Fairchild Semiconductor
Fairchild Semiconductor
74VHC157

QUAD 2 CHANNEL MULTIPLEXER

STMicroelectronics
STMicroelectronics
74VHC157

Quad 2-Input Multiplexer

Fairchild Semiconductor
Fairchild Semiconductor


www.DataSheet.jp    |   2020   |  メール    |   最新    |   Sitemap