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參數(shù)資料
| 型號(hào)： | HD74HCT237 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 3-to-8-line Decoder/Demultiplexer with Address Latch |
| 中文描述： | 3至8線解碼器/解復(fù)用器的地址鎖存器 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大小： | 57K |
| 代理商： | HD74HCT237 |
HD74HCT237
3-to-8-line Decoder/Demultiplexer with Address Latch
Description
The HD74HCT237 decodes a three-bit Address to one-of-eight active-high outputs. The device has a
transparent latch for storage of the Address. Two Chip Selects, one active-low and one active-high, are
provided to facilitate the demultiplexing, cascading, and chip-selecting functions.
The demultiplexing function is accomplished by using the Address inputs to select the desired device
output, and then by using one of the Chip Select as a data input while holding the other one active.
The HD74HCT237 is the noninverting version of the HD74HCT137.
Features
LSTTL Output Logic Level Compatibility as well as CMOS Output Compatibility
High Speed Operation: t
pd
(A, B, C to Y) = 23 ns typ (C
L
= 50 pF)
High Output Current: Fanout of 10 LSTTL Loads
Wide Operating Voltage: V
CC
= 4.5 to 5.5 V
Low Input Current: 1 μA max
Low Quiescent Supply Current: I
CC
(static) = 4 μA max (Ta = 25°C)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD74HCT238 | Replaced by SN54ALS373A : Octal D-Type Transparent Latches with 3-state Outputs 20-CDIP -55 to 125 |
| HD74HCT240 | Octal Buffers/Line Drivers/Line Receivers(with inverted 3-state outputs) |
| HD74HCT241 | Replaced by SN54ALS373A : Octal D-Type Transparent Latches with 3-state Outputs 20-LCCC -55 to 125 |
| HD74HCT242 | Quad. Bus Transceivers (with 3-state outputs) |
| HD74HCT243 | Quad. Bus Transceivers (with 3-state outputs) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD74HCT240P | 制造商:HITACHI 功能描述: |
| HD74HCT244FP-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-20 |
| HD74HCT244FPEL-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-20 |
| HD74HCT373FP(E) | 制造商:Renesas Electronics 功能描述:Bulk |
| HD74HCT373-T | 制造商:Renesas Electronics Corporation 功能描述: |
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