Datasheet > PI74ALVTC16841

PI74ALVTC16841

更新时间： 2024-10-27 23:27:39

品牌	Logo	应用领域
其他 - ETC		锁存器
页数	文件大小	规格书
8页	236K
描述
Logic \| 20-Bit Bus Interface D-Type Latch

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PI74ALVTC16841 数据手册

PI74ALVTC16841

2.5V 20-Bit Bus Interface

D-Type Latch with 3-State Outputs

ProductDescription

ProductFeatures

Pericom Semiconductors PI74ALVTC series of logic circuits are

produced using the Companys advanced 0.35 micron CMOS

technology, achieving industry leading speed.

PI74ALVTC16841isdesignedforlowvoltageoperation,

=1.65Vto3.6V

Supports Live Insertion

ThePI74ALVTC16841features3-Stateoutputsdesignedspecifically

fordrivinghighlycapacitiveorrelativelylow-impedenceloads.This

device is particularly suitable for implementing buffer registers,

unidirectional bus drivers, and working registers.

3.6V I/O Tolerant Inputs and Outputs

Bus Hold

HighDrive,32/64mA@3.3V

Uses patented noise reduction circuitry

Power-off high impedance inputs and outputs

Industrial operation at 40°C to +85°C

Packagesavailable:

Thedevicecanbeusedastwo10-bitlatches,orone20-bitlatch.The

20 latches are transparent D-type latches. The device has non-

invertingdata(D)inputsandprovidestruedataatitsoutputs. While

the latch-enable (1LE or 2LE) input is high, the Q outputs of the

corresponding 10-bit latch follows the D inputs. When LE is taken

low, the Q outputs are latched at the levels set up at the D inputs.

56-pin240-milwideplasticTSSOP(A56)

56-pin173-milwideplasticTVSOP(K56)

A buffered output-enable (1OE or 2OE) input can be used to place

theoutputsofthecorresponding10-bitlatchineitheranormallogic

state(highorlowlogiclevels)orahigh-impedencestate.Inthehigh-

impedence state, the outputs neither load nor drive the bus lines

significantly.

Logic Block Diagram

The output enable (OE) input does not affect the internal operation

of the latches. Old data can be retained or new data or new data can

be entered while the outputs are in the high-impedence state.

1OE

1LE

Toensurethehigh-impedancestateduringpoweruporpowerdown,

OE should be tied to V through a pullup resistor; the minimum

value of the resistor is determined by the current-sinking capability

of the driver.

1Q0

The family offers both I/O Tolerant, which allows it to operate in

mixed 1.65/3.6V systems, and Bus Hold, which retains the data

inputs last state preventing floating inputs and eliminating the

need for pullup/down resistors.

1D0

To Nine Other Channels

2OE

2LE

2Q0

2D0

To Nine Other Channels

P0.2

04/09/02

12 3 4 5 6 7 8

中文翻译

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与PI74ALVTC16841相关器件

型号	品牌	获取价格	描述	数据表
PI74ALVTC16841A	PERICOM	获取价格	Bus Driver, ALVT Series, 2-Func, 10-Bit, True Output, CMOS, PDSO56, 0.240 INCH, PLASTIC, T
PI74ALVTC16841AEX	PERICOM	获取价格	Bus Driver, ALVT Series, 2-Func, 10-Bit, True Output, CMOS, PDSO56, 0.240 INCH, PLASTIC, T
PI74ALVTC16841AX	PERICOM	获取价格	Bus Driver, ALVT Series, 2-Func, 10-Bit, True Output, CMOS, PDSO56, 0.240 INCH, PLASTIC, T
PI74ALVTC16841KEX	PERICOM	获取价格	Bus Driver, ALVT Series, 2-Func, 10-Bit, True Output, CMOS, PDSO56, 0.173 INCH, PLASTIC, T
PI74ALVTC16841KX	PERICOM	获取价格	Bus Driver, ALVT Series, 2-Func, 10-Bit, True Output, CMOS, PDSO56, 0.173 INCH, PLASTIC, T
PI74AUC16244	PERICOM	获取价格	1.8V 16-Bit Buffer/Driver with 3-State Outputs
PI74AUC16244A	PERICOM	获取价格	1.8V 16-Bit Buffer/Driver with 3-State Outputs
PI74AUC16244K	PERICOM	获取价格	1.8V 16-Bit Buffer/Driver with 3-State Outputs
PI74AUC16244KE	PERICOM	获取价格	Bus Driver, 4-Func, 4-Bit, True Output, CMOS, PDSO48, 0.173 INCH, PLASTIC, TVSOP-48
PI74AUC16245AE	PERICOM	获取价格	Bus Transceiver, 2-Func, 8-Bit, True Output, CMOS, PDSO48, 0.240 INCH, PLASTIC, TSSOP-48

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