參數(shù)資料
型號(hào)： HD74ALVCH162260
廠商： Hitachi,Ltd.
英文描述： Quadruple 1-Of-2 Data Selectors/Multiplexers 16-CDIP -55 to 125
中文描述： 12位至24位復(fù)用D型鎖存器與三態(tài)輸出
文件頁(yè)數(shù)： 1/15頁(yè)
文件大小： 61K
代理商： HD74ALVCH162260
HD74ALVCH162260
12-bit to 24-bit Multiplexed D-type Latches with 3-state Outputs
ADE-205-177B (Z)
3rd. Edition
December 1999
Description
The HD74ALVCH162260 is a 12-bit to 24-bit multiplexed D-type latch used in applications where two
separate data paths must be multiplexed onto, or demultiplexed from, a single data path. Typical
applications include multiplexing and / or demultiplexing of address and data information in
microprocessor or bus interface applications. This device is also useful in memory interleaving
applications. Three 12-bit I / O ports (A1-A12, 1B1-1B12, and 2B1-2B12) are available for address and /
or data transfer. The output enable (
OE1B
,
OE2B
, and
OEA
) inputs control the bus transceiver functions.
The
OE1B
and
OE2B
control signals also allow bank control in the A-to-B direction. Address and / or data
information can be stored using the internal storage latches. The latch enable (LE1B, LE2B, LEA1B, and
LEA2B) inputs are used to control data storage. When the latch enable input is high, the latch is
transparent. When the latch enable input goes low, the data present at the inputs is latched and remains
latched until the latch enable input is returned high. Active bus hold circuitry is provided to hold unused or
floating data inputs at a valid logic level. The B outputs, which are designed to sink up to 12 mA, include
26
resistors to reduce overshoot and undershoot.
Features
V
CC
= 2.3 V to 3.6 V
Typical V
OL
ground bounce < 0.8 V (@V
CC
= 3.3 V, Ta = 25
°
C)
Typical V
OH
undershoot > 2.0 V (@V
CC
= 3.3 V, Ta = 25
°
C)
High output current
±
12 mA (@V
CC
= 3.0 V)
Bus hold on data inputs eliminates the need for external pullup / pulldown resistors
B-port outputs have equivalent 26
series resistors, so no external resistors are required.
相關(guān)PDF資料
PDF描述
HD74ALVCH162270 Quadruple 1-Of-2 Data Selectors/Multiplexers 16-CFP -55 to 125
HD74ALVCH162334 Quadruple 1-Of-2 Data Selectors/Multiplexers 20-LCCC -55 to 125
HD74ALVCH162373 Quadruple 1-Of-2 Data Selectors/Multiplexers 16-CDIP -55 to 125
HD74ALVCH162374 Quadruple 1-Of-2 Data Selectors/Multiplexers 16-CFP -55 to 125
HD74ALVCH16244 Quadruple 1-Of-2 Data Selectors/Multiplexers 16-CDIP -55 to 125
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD74ALVCH162270 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:12-bit to 24-bit Registered Bus Exchanger with 3-state Outputs
HD74ALVCH162334 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:16-bit Universal Bus Driver with 3-state Outputs
HD74ALVCH162373 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:16-bit Transparent D-type Latches with 3-state Outputs
HD74ALVCH162374 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:16-bit Edge triggered D-type Flip Flops with 3-state Outputs
HD74ALVCH16244 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:16-bit Buffers / Drivers with 3-state Outputs
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