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參數(shù)資料
| 型號(hào)： | PI74ALVCH16952 |
| 廠商： | Pericom Semiconductor Corp. |
| 英文描述： | 16-Bit Registered Transceiver With 3-STATE Outputs |
| 中文描述： | 16位注冊(cè)收發(fā)器具有三態(tài)輸出 |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大?。?/td> | 304K |
| 代理商： | PI74ALVCH16952 |
1
PS8197A 10/16/00
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PI74ALVCH16952
16-Bit Registered Transceiver
With 3-STATE Outputs
Logic Block Diagram
Product Description
Pericom Semiconductors PI74ALVCH series of logic circuits are
produced using the Companys advanced 0.5 micron CMOS
technology, achieving industry leading speed.
The PI74ALVCH16952 16-bit registered transceiver is designed for
2.3V to 3.6V V
CC
operation.
The product contains two sets of D-type flip-flops for temporary
storage of data flowing in either direction. The device can be used
as two 8-bit transceivers or one 16-bit tranceiver. Data on the A or
B bus is stored in the registers on the low-to-high transition of the
clock (CLKAB or CLKBA) input provided that the clock-enable
(CLKENAB or CLKENBA) input is low. Taking the output-enable
(OEAB or OEBA) input low accesses the data on either port.
To ensure the high-impedance state during power up or power down,
OE should be tied to Vcc through a pull-up resistor; the minimum
value of the resistor is determined by the current-sinking capability
of the driver.
The PI74ALVCH16952 has Bus Hold which retains the data
inputs last state whenever the data input goes to high-impedance
preventing floating inputs and eliminating the need for pullup/
down resistors.
V
CE
V
CE
1D
C1
C1
56
5
52
1B1
1A1
2
3
1
55
54
1OEAB
1CLKBA
1CLKENBA
1OEBA
To Seven Other Channels
One of Eight
Channels
1CLKAB
1CLKENAB
V
CE
V
1D
C1
C1
29
15
42
2B1
2A1
27
26
28
30
31
2OEAB
2CLKBA
2CLKENBA
2OEBA
To Seven Other Channels
One of Eight
Channels
2CLKAB
2CLKENAB
Product Features
PI74ALVCH16952 is designed for low voltage operation
V
CC
= 2.3V to 3.6V
Hysteresis on all inputs
Typical V
OLP
(Output Ground Bounce)
< 0.8V at V
CC
= 3.3V, T
A
= 25°C
Typical V
OHV
(Output V
OH
Undershoot)
< 2.0V at V
CC
= 3.3V, T
A
= 25°C
Bus Hold retains last active bus state during 3-STATE
eliminating the need for external pullup resistors
Industrial operation at 40°C to +85°C
Packages available:
48-pin 240 mil wide plastic TSSOP (A)
48-pin 300 mil wide plastic SSOP (V)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PI74ALVTC16240 | 16-Bit Buffer/Driver with 3-State Outputs |
| PI74ALVTC16240A | Quad 4-Bit Buffer/Driver |
| PI74ALVTC16240K | Li-Ion Battery Charger Termination Controllers; Package: MSOP; No of Pins: 8; Temperature Range: 0°C to +70°C |
| PI74ALVTC16240V | Quad 4-Bit Buffer/Driver |
| PI74ALVTC16241A | Li-Ion Battery Charger Termination Controllers; Package: MSOP; No of Pins: 8; Temperature Range: 0°C to +70°C |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PI74ALVCH16952A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual 8-bit Bus Transceiver |
| PI74ALVCH16952V | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual 8-bit Bus Transceiver |
| PI74ALVCH32244 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Logic | 32-Bit Buffer/Driver with 3-State Outputs |
| PI74ALVCH32245 | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:3.3V,32-Bit Bidirectional Transceiver with 3-State Outputs |
| PI74ALVCH32245NB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Quad 8-bit Bus Transceiver |
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