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參數(shù)資料
型號(hào): HD3-4702-9Z
廠商: Intersil
文件頁(yè)數(shù): 2/8頁(yè)
文件大小: 0K
描述: IC BIT RATE GEN CMOS 16-PDIP
標(biāo)準(zhǔn)包裝: 250
類型: 比特率發(fā)生器
PLL: 無(wú)
輸入: 時(shí)鐘,晶體
輸出: 時(shí)鐘
電路數(shù): 1
比率 - 輸入:輸出: 2:1
差分 - 輸入:輸出: 無(wú)/無(wú)
頻率 - 最大: 1MHz
除法器/乘法器: 是/無(wú)
電源電壓: 4.5 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 通孔
封裝/外殼: 16-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 16-PDIP
包裝: 管件
2
FN2954.2
August 24, 2006
Pin Description
PIN NUMBER
TYPE
SYMBOL
DESCRIPTION
16
VCC
VCC: Is the +5V power supply pin. A 0.1μF capacitor between pins 16 and 8 is
recommended for decoupling.
8GND
GROUND
5
I
CP
EXTERNAL CLOCK INPUT
4I
ECP
EXTERNAL CLOCK ENABLE: A low signal on this input allows the baud rate to be
generated from the CP input.
7I
IX
CRYSTAL INPUT
6O
OX
CRYSTAL DRIVE OUTPUT
15
I
IM
MULTIPLEXED INPUT
11, 12, 13, 14
I
S0 - S3
BAUD RATE SELECT INPUTS
9
O
CO
CLOCK OUTPUT
1, 2, 3
O
Q0 - Q2
SCAN COUNTER OUTPUTS
10
O
Z
BIT RATE OUTPUT
CLOCK MODES AND INITIALIZATION
IX
ECP
CP
OPERATION
H
L
Clocked from IX
X
L
Clocked from CP
X
H
Continuous Reset
X
L
Reset During 1st CP = High
Time
H = HIGH Level
L = LOW Level
X = Don’t Care
= Clock Pulse
= 1st HIGH Level Clock Pulse after ECP goes LOW
NOTE: Actual output frequency is 16 times the indicated Output
Rate, assuming a clock frequency of 2.4576MHz.
HD-4702
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