Datasheet > PI74ALVTC16721

PI74ALVTC16721

更新时间： 2024-10-27 23:27:39

品牌	Logo	应用领域
其他 - ETC		触发器
页数	文件大小	规格书
8页	143K
描述
Logic \| 20-Bit Flip-Flop

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PI74ALVTC16721 数据手册

PI74ALVTC16721

2.5V 20-Bit Flip-Flop

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.

PI74ALVTC16721isdesignedforlowvoltageoperation,

=1.65Vto3.6V

Supports Live Insertion

The PI74ALVTC16721 is a 20-bit flip-flop with 3-state outputs

3.6V I/O Tolerant Inputs and Outputs

Bus Hold

designedspecificallyfor1.65Vto3.6VV operation.Thedevice

is designed with edge-triggered D-type flip-flops with qualified

clock storage. On the positive transition of clock (CLK) input, the

device provides true data at the Q outputs, provided that the clock-

enable(CLKEN)inputisLOW.If CLKENisHIGH,nodataisstored.

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:

A buffered output-enable (OE) input can be used to place the

20 outputs in either a normal logic state (HIGH or LOW level) or a

high-impedance state. In the high-impedance state, the outputs

neitherloadnordrivethebuslinessignificantly.Thehigh-impedance

state and increased drive provide the capacity to drive bus lines

without the need for interface or pullup components. OE does not

affect the internal operation of the flip-flops. Old data can be

retainedor newdatacanbeenteredwhiletheoutputsareinthehigh-

impedance state.

56-pin240-milwideplasticTSSOP(A56)

56-pin173-milwideplasticTVSOP(K56)

To ensure the high-impedance state during power up or power

down, 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.

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.

Logic Block Diagram

PS8617

06/05/02

12 3 4 5 6 7 8

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与PI74ALVTC16721相关器件

型号	品牌	获取价格	描述	数据表
PI74ALVTC16721AEX	PERICOM	获取价格	Bus Driver, ALVT Series, 1-Func, 20-Bit, True Output, CMOS, PDSO56, 0.240 INCH, PLASTIC, T
PI74ALVTC16721AX	PERICOM	获取价格	Bus Driver, ALVT Series, 1-Func, 20-Bit, True Output, CMOS, PDSO56, 0.240 INCH, PLASTIC, T
PI74ALVTC16721K	PERICOM	获取价格	Bus Driver, ALVT Series, 1-Func, 20-Bit, True Output, CMOS, PDSO56, 0.173 INCH, PLASTIC, T
PI74ALVTC16721KEX	PERICOM	获取价格	Bus Driver, ALVT Series, 1-Func, 20-Bit, True Output, CMOS, PDSO56, 0.173 INCH, PLASTIC, T
PI74ALVTC16721KX	PERICOM	获取价格	Bus Driver, ALVT Series, 1-Func, 20-Bit, True Output, CMOS, PDSO56, 0.173 INCH, PLASTIC, T
PI74ALVTC16820	ETC	获取价格	Logic \| 10-Bit Flip-Flop with Dual Outputs
PI74ALVTC16820A	PERICOM	获取价格	Bus Driver, ALVT Series, 1-Func, 10-Bit, True Output, CMOS, PDSO56, 0.240 INCH, PLASTIC, T
PI74ALVTC16820AEX	PERICOM	获取价格	Bus Driver, ALVT Series, 1-Func, 10-Bit, True Output, CMOS, PDSO56, 0.240 INCH, PLASTIC, T
PI74ALVTC16820AX	PERICOM	获取价格	Bus Driver, ALVT Series, 1-Func, 10-Bit, True Output, CMOS, PDSO56, 0.240 INCH, PLASTIC, T
PI74ALVTC16820K	PERICOM	获取价格	Bus Driver, ALVT Series, 1-Func, 10-Bit, True Output, CMOS, PDSO56, 0.173 INCH, PLASTIC, T

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