HD3-4702-9 Intersil, HD3-4702-9 Datasheet - Page 2

• Manufacturer Part Number: HD3-4702-9
• Description: CMOS; 16 Lead PDIP; 2.4576 M Hz; CMOS; 16 per Bit Hz; On-Chip Input Pull-Up; 16
• Manufacturer: Intersil

Specifications of HD3-4702-9

• Application: UART
• Circuit Type: On-Chip Input Pull-Up
• Number Of Clock Pulse Generated: 16 per Bit
• Number Of Leads: 16
• Operating Frequency: 2.4576 M Hz
• Package Type: 16 Lead PDIP
• Technology: CMOS
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

Pin Description
NOTE: Actual output frequency is 16 times the indicated Output
H = HIGH Level
L = LOW Level
X = Don’t Care
PIN NUMBER
11, 12, 13, 14
IX
X
X
X
1, 2, 3
Rate, assuming a clock frequency of 2.4576MHz.
16
15
10
8
5
4
7
6
9
= Clock Pulse
= 1st HIGH Level Clock Pulse after E
CLOCK MODES AND INITIALIZATION
E
H
H
CP
L
L
TYPE
O
O
O
O
I
I
I
I
I
CP
H
L
2
SYMBOL
Clocked from I
Clocked from CP
Continuous Reset
Reset During 1st CP = High
Time
Q
S0 - S3
GND
V
E
0
CO
CP
O
I
I
CC
Z
CP
M
X
- Q
X
2
OPERATION
CP
V
GROUND
EXTERNAL CLOCK INPUT
EXTERNAL CLOCK ENABLE: A low signal on this input allows the baud rate to be
generated from the CP input.
CRYSTAL INPUT
CRYSTAL DRIVE OUTPUT
MULTIPLEXED INPUT
BAUD RATE SELECT INPUTS
CLOCK OUTPUT
SCAN COUNTER OUTPUTS
BIT RATE OUTPUT
recommended for decoupling.
X
CC
goes LOW
: Is the +5V power supply pin. A 0.1μF capacitor between pins 16 and 8 is
HD-4702
DESCRIPTION
August 24, 2006
FN2954.2