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參數(shù)資料
| 型號(hào)： | IW4516BN |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | Presettable Up/Down Counter High-Voltage Silicon-Gate CMOS |
| 中文描述： | 可預(yù)置加/減計(jì)數(shù)器高壓硅柵CMOS |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大?。?/td> | 284K |
| 代理商： | IW4516BN |
TECHNICAL DATA
157
Presettable Up/Down Counter
High-Voltage Silicon-Gate CMOS
The IW4516B Presettable Binary Up/Down Counter consists of
four synchronously clocked D-type flip-flops (with a gating structure to
provide T-type flip-flop capability) connected as counters. This
counter can be cleared by a high level on the RESET line, and can be
preset to any binary number present on the jam inputs by a high level
on the PRESET ENABLE line.
If the CARRY-IN input is held low, the counter advances up or
down on each positive-going clock transition. Synchronous cascading
is accomplished by connecting all clock inputs in parallel and
connecting the CARRY-OUT of a less significant stage to the
CARRY-IN of a more significant stage.
The IW4516B can be cascaded in the ripple mode by connecting
the CARRY-OUT to the clock of the next stage. If the UP/DOWN
input changes during a terminal count, the CARRY-OUT must be
gated with the clock, and the UP/DOWN input must change while the
clock is high. This method provides a clean clock signal to the
subsequent counting stage.
Operating Voltage Range: 3.0 to 18 V
Maximum input current of 1
μ
A at 18 V over full package-
temperature range; 100 nA at 18 V and 25
°
C
Noise margin (over full package temperature range):
1.0 V min @ 5.0 V supply
2.0 V min @ 10.0 V supply
2.5 V min @ 15.0 V supply
IW4516B
ORDERING INFORMATION
IW4516BN Plastic
IW4516BD SOIC
T
A
= -55
°
to 125
°
C for all packages
PIN ASSIGNMENT
FUNCTION TABLE
Inputs
Outputs
CL
CI
U/D
PE
R
Mode
X
H
X
L
L
NO COUNT
L
H
L
L
COUNT UP
L
L
L
L
COUNT
DOWN
X
X
X
H
L
PRESET
X
X
X
X
H
RESET
X = don’t care
LOGIC DIAGRAM
PIN 16=V
CC
PIN 8= GND
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| IW4518 | Dual Up-Counter |
| IW4518B | Dual Up-Counter |
| IW4518BD | Dual Up-Counter |
| IW4518BN | Dual Up-Counter |
| IX1949PA | Phase-Locked-Loop Integrated Circuit(鎖相環(huán)集成電路) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IW4518 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual Up-Counter |
| IW4518B | 制造商:IKSEMICON 制造商全稱:IK Semicon Co., Ltd 功能描述:Dual Up-Counter High-Voltage Silicon-Gate CMOS |
| IW4518BD | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual Up-Counter |
| IW4518BN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual Up-Counter |
| IW4520B | 制造商:IKSEMICON 制造商全稱:IK Semicon Co., Ltd 功能描述:Dual Up-Counter High-Voltage Silicon-Gate CMOS |
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