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VS32X245 の電気的特性と機能

VS32X245のメーカーはVaishali Semiconductorです、この部品の機能は「High Speed CMOS VSwitch 16-Bit Bus Switches」です。


製品の詳細 ( Datasheet PDF )

部品番号 VS32X245
部品説明 High Speed CMOS VSwitch 16-Bit Bus Switches
メーカ Vaishali Semiconductor
ロゴ Vaishali Semiconductor ロゴ 




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VS32X245 Datasheet, VS32X245 PDF,ピン配置, 機能
VS32X245 / VS32X2245
High Speed CMOS VSwitch
16-Bit Bus Switches
Applications
= 5V to 3.3V translation in mixed-supply environment
= Hot-swap interface
= Logic replacement
= Bus isolation
General Description
The VS32X245 and VS32X2245 are high-speed TTL-compatible 16-bit bus switches in a flow-through pinout.
Each device contains two banks of 8-bit switches with a common active-LOW enable (/OEx) for each bank.
The low ON resistance of the VS32X245 allows inputs to be connected to outputs, without adding
propagation delay and without generating additional signal noise. The VS32X2245 has 25resistors in series
with the switches to reduce ground-bounce noise from the driving source and signal reflection.
The VS32X245 and VS32X2245 bus switches are function and pinout compatible with QS32X245 and
QS32X2245 switches. They enable 5V to 3.3V translation when used with a diode in the power supply line. In
addition, the high off-isolation in the ‘disable’ mode makes these switches ideal interface elements for hot-
swap applications.
Features
= Enhanced N-FET with no DC path to VCC
or GND in normal operating signal voltage
range.
= Low impedance bidirectional data flow:
5(VS32X245) and 25(VS32X2245)
= Pin-compatible with QS32X245 and
QS32X2245 switches.
= Near-zero propagation delay
= Zero added ground bounce or signal noise
= TTL-compatible control signals
= Undershoot clamp diodes on all switch and
control pins
= ESD rating >2000V (Human Body Model)
or >200V (Machine Model)
= Latch-up current >100mA
= Available in 150-mil wide 40 pin QSOP
package
Figure 1. Functional Block Diagram
A0 A1 A2 A3 A4 A5 A6 A7
Figure 2. Pin Configuration
QSOP
(All Pins Top View)
/OE1
B0 B1 B2 B3 B4 B5 B6 B7
A8 A9 A10 A11 A12 A13 A14 A15
/OE2
B8 B9 B10 B11 B12 B13 B14 B15
NC
A0
A1
A2
A3
A4
A5
A6
A7
GND
NC
A8
A9
A10
A11
A12
A13
A14
A15
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40 VCC
39 /OE1
38 B0
37 B1
36 B2
35 B3
34 B4
33 B5
32 B6
31 B7
30 VCC
29 /OE2
28 B8
27 B9
26 B10
25 B11
24 B12
23 B13
22 B14
21 B15
2001-04-12
Page 1
MDSS-0013-01
www.vaishali.com
Vaishali Semiconductor 747 Camden Avenue, Suite C Campbell CA 95008 Ph. 408.377.6060 Fax 408.377.6063

1 Page





VS32X245 pdf, ピン配列
VS32X245/VS32X2245
Table 5. Recommended Operating Conditions
Symbol
VCC
VIL
VIH
TA
Parameter
Power supply voltage
Low level input voltage
High level input voltage
Operating free-air temperature
Conditions
Min Typ Max Units
4.5 5.5 V
-0.5 0.8 V
2.0 5.5 V
-40 85 oC
Table 6. Electrical Characteristics Over Recommended Operating Free-air Temperature Range
Symbol
Parameter
Test Conditions
Min Typ(1) Max
VIK Clamp Voltage
Control Input VCC = Min, IIK = -18 mA
-1.5
Switch I/O
-1.5
VOH Logic High Voltage Switch I/O VIN = VCC = 5V, IOUT = -5µA 3.7 3.9 4.1
VCC = 4.3V, VIN = 5V,
IOUT = -5µA
3.0 3.3 3.6
|II| Input Leakage Control Input VCC = Max, VI = VCC or GND
Current
1
|OFF| Power OFF Leakage Control Input VCC = 0,
Current
Switch I/O
VI or VO = VCC or GND
1
|IOZ|
OFF State Leakage Switch I/O
VCC = Max, VI/O = VCC,
Current
/OE = VCC
1
IODL Switch I/O Drive VCC = Min, VIN = 0,
Current (Logic LOW)
VOUT = 0.4V
VS32X245
VS32X2245
50
IODH Switch I/O Drive VCC = Min, VIN = VCC,
Current (Logic HIGH)
VOUT = 2.4V
VS32X245
VS32X2245
-50
RON Switch ON
Resistance(2)
VCC = Min, VIN = 0,
IOUT = 30mA
VS32X245
VS32X2245
57
20 28 40
Notes:
1. Typical values are specified at VCC = 5.0V and TA = 25oC.
2. RON is measured by forcing specified current into the ‘output’ node of the switch with the ‘input’ node of the switch at the the
specified voltage
Units
V
V
µA
µA
µA
mA
mA
mA
mA
Table 7. Power Supply Characteristics Over Recommended Operating Free-air Temperature Range
Symbol
Parameter
Test Conditions (1)
Max Units
ICCQ
Quiescent Power Supply Current
VCC = Max, /OE = VCC or GND, f = 0
6 µA
ICC
QCCD
Power Supply Current per Input High
(Control Input) (2)
Dynamic Power Supply Current (3)
VCC = Max, VIN = 3.4V, f = 0
VCC = Max, Switch pins open,
1.5 mA
0.25 mA/MHz
Control Inputs toggling at 50% duty cycle
Notes:
1. For conditions shown as Min or Max, use the appropriate values per Recommended Operating Conditions.
2. Per TTL-driven control input. All other control inputs at GND. Switch I/O pins do not contribute to ICC.
3. This parameter represents the average DC current resulting from the switching of internal nodes of the device at a given
frequency. The switch I/O pins make insignificant contribution to the dynamic power supply current of the device. This parameter
is guaranteed, but not production tested.
2001-04-12
Page 3
MDSS-0013-01
www. vaishali.com
Vaishali Semiconductor 747 Camden Avenue, Suite C Campbell CA 95008 Ph. 408.377.6060 Fax 408.377.6063


3Pages


VS32X245 電子部品, 半導体
VS32X245/VS32X2245
Switching Waveforms
Input
Switch Output
tPLH
tPHL
3.0 V
1.5 V
0V
VOH
1.5 V
VOL
Propagation Delay
Control Input
tPHZ
Switch Output
(Switch Input = 3.0 V)
Switch Output
(Switch Input = 0 V)
tPLZ
Switch ON
0.3 V
0.3 V
Switch OFF
tPZH
3.0 V
1.5 V
0V
VOH
1.5 V
0V
tPZL
3.5 V
1.5 V
VOL
Switch ON
Enable and Disable Times
Ordering Information
Part Number
VS32X245Q2
VS32X2245Q2
No. of Pins
40
40
Package
QSOP
QSOP
Temperature
-40°C to +85°C
-40°C to +85°C
2001-04-12
Page 6
MDSS-0013-01
www. vaishali.com
Vaishali Semiconductor 747 Camden Avenue, Suite C Campbell CA 95008 Ph. 408.377.6060 Fax 408.377.6063

6 Page



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共有リンク

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部品番号部品説明メーカ
VS32X245

High Speed CMOS VSwitch 16-Bit Bus Switches

Vaishali Semiconductor
Vaishali Semiconductor
VS32X245Q2

High Speed CMOS VSwitch 16-Bit Bus Switches

Vaishali Semiconductor
Vaishali Semiconductor


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