參數資料
型號: HD74HC292
廠商: Hitachi,Ltd.
英文描述: Octal Bus Transceivers With 3-State Outputs 20-CFP -55 to 125
中文描述: 可編程分頻器/數字定時器
文件頁數: 1/12頁
文件大?。?/td> 68K
代理商: HD74HC292
HD74HC292/HD74HC294
Programmable Frequency Divider/Digital Timer
Description
This device divides the incoming clock frequency by a number (a power of 2) that is preset by the
Programming inputs. It has two Clock inputs, either of which may be used as a clock inhibit. The device
also has an active-low Reset, which initializes the internal flip-flop states. Test Point outputs (TP1, TP2,
TP3) are provided with HD74HC292 to facilitate incoming inspections.
Test Point output is provided with HD74HC294 to facilitate incoming inspections.
Features
High Speed Operation: t
pd
(Clock to Q) = 16 ns typ (C
L
= 50 pF)
High Output Current: Fanout of 10 LSTTL Loads
Wide Operating Voltage: V
CC
= 2 to 6 V
Low Input Current: 1 μA max
Low Quiescent Supply Current: I
CC
(static) = 4 μA max (Ta = 25°C)
Function Table
CLR
CLK1
CLK2
Q Output Mode
L
X
X
Cleared to L
H
L
Count
H
L
Count
H
H
X
Inhibit
H
X
H
Inhibit
相關PDF資料
PDF描述
HD74HC294 Programmable Frequency Divider/Digital Timer
HD74HC298 Quad. 2-input Multiplexers (with storage)
HD74HC299 8-bit Universal Shift/Storage Register (with 3-state outputs)
HD74HC30 1-Of-8 Data Selectors/Multiplexers With 3-State Outputs 16-CDIP -55 to 125
HD74HC323 8-bit Universal Shift/Storage Register (with 3-state Outputs)
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