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ICM7213

One Second/One Minute Timebase Generator


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ICM7213 pdf
TM
NO RECOOBMSOMLEENTDEEPDRROEDPULCATCEMENT
December 2001
ICM7213
One Second/One Minute
Timebase Generator
Features
Description
• Guaranteed 2V Operation
• Very Low Current Consumption (Typ) . . . . 100µA at 3V
• All Outputs TTL Compatible
• On Chip Oscillator Feedback Resistor
• Oscillator Requires Only 3 External components:
Fixed Capacitor, Trim Capacitor, and A Quartz Crystal
• Output Inhibit Function
• 4 Simultaneous Outputs: One Pulse/s, One Pulse/Min,
16Hz and Composite 1024 + 16 + 2Hz Outputs
• Test Speed-Up Provides Other Frequency Outputs
Part Number Information
TEMP.
PART NUMBER RANGE (oC)
PACKAGE
PKG.
NO.
The ICM7213 is a fully integrated micropower oscillator and
frequency divider with four buffered outputs suitable for inter-
facing with most logic families. The power supply may be
either a two battery stack (Ni-cad, alkaline, etc.) or a regular
power supply greater than 2V. Depending upon the state of
the WIDTH, INHIBIT, and TEST inputs, using a
4.194304MHz crystal will produce a variety of output fre-
quencies including 2048Hz, 1024Hz, 34.133Hz, 16Hz, 1Hz,
and 1/60Hz (plus composites).
The ICM7213 utilizes a very high speed low power metal
gate CMOS technology which uses 6.4V zeners between the
drains and sources of each transistor and also across the
supply terminals. Consequently, the ICM7213 is limited to a
6V maximum VSUPPLY, although a simple dropping network
can be used to extend the VSUPPLY range well above 6V
(See Figure 9).
ICM7213IPD
-25 to 85 14 Ld PDIP
E14.3
Pinout
ICM7213
(PDIP)
TOP VIEW
WIDTH 1
OUT 3 2
INHIBIT 3
VSS 4
OSC OUT 5
OSC IN 6
N/C 7
14 OUT 4
13 OUT 2
12 OUT 1
11 TEST
10 VDD
9 N/C
8 N/C
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2001. All Rights Reserved
1
File Number 3165.2



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ICM7213 pdf
Functional Block Diagram
ICM7213
(4,194,304Hz)
(8192Hz)
OSC IN OSCILLATOR
6
÷29
÷23
RF
(1024Hz)
(64Hz)
÷24 ÷22
(16Hz)
(4Hz)
÷22
5
OSC OUT
n
14
OUT 4
n
10 VDD
WIDTH 1
4 VSS
(1/60Hz)
(1/2Hz)
÷
(5 x 3 x 2)
³÷2
(1Hz)
(2Hz)
³÷2 ³÷2
3
INHIBIT
OR RESET
11
TEST
n
13
OUT 2
n
12
OUT 1
n
n
2
OUT 3
2



Part Number ICM7213
Description One Second/One Minute Timebase Generator
Maker Intersil Corporation - Intersil Corporation
Total Page 6 Pages
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