HBCR-1610 Datasheet, PDF (2/10 Pages) Agilent(Hewlett-Packard) – Single Chip Bar Code Decode IC

Power Requirements
The decoder IC is operated from
a +5 volt DC power supply. The
maximum current draw is 24 mA.
The maximum power supply
ripple voltage should be less than
100 mV, peak-to-peak.
Idle Mode
The IC automatically reduces
power consumption whenever
there is no scanning or decoding
activity, or when there is no
activity on the I/O port. See
Table 4.
Manual
The HBCR-1610 Series Users
Manual (HBCR-1697) covers the
following topics:
• Specifications and Timing
Diagrams
• Pin Definitions and Schematics
• General Scanning Tips
• Configuration and Operation
• Escape Sequence Programming
• Data Output Formats
• Sample Bar Codes
• I/O and Pacing Characteristics
IC Configuration
The default configuration is set
when the IC powers up or when a
Hard Reset command is received.
Default configuration of many of
the options is dependent on the
logic states of IC pins, as shown
in Table 5. A complete descrip-
tion of the pins and all possible
configurations is in the Users
Manual. More complete and
flexible configuration is achieved
using escape sequence
commands.
There are two pins that cause
significant changes in the IC
operation.
Table 1. Recommended Operating Conditions
Parameter
Supply Voltage
Ambient
Temperature
Oscillator
Frequency
Symbol Minimum Maximum
V_CC
4.5
T_A
0
5.5
+70
F_OSC
DC
16.000
Units Notes
V
1
°C
MHz 2
Notes:
1. Maximum power supply ripple of 100 mV peak-to-peak.
2. The IC can use either an 11.059 or a 16.000 MHz crystal or ceramic resonator. The
FRQ pin selects the frequency that matches the oscillator.
Table 2. Absolute Maximum Ratings
Parameter Symbol Minimum
Storage
T_S
-65
Temperature
Supply Voltage V_CC
-0.5
Pin Voltage
V_IN
-0.5
Note:
3. Voltage on any pin with respect to ground.
Maximum
+150
+7.0
V_CC + 0.5
Units Notes
°C
V
V
3
Table 3. Ordering Information
Part Number
HBCR-1610
HBCR-1611
HBCR-1612
HBCR-1697
Option A01
Option B01
Description
CMOS, 40 pin DIP, bulk shipment, no manual
CMOS, 44 pin PLCC, bulk shipment, no manual
CMOS, 40 pin QFP, bulk shipment, no manual
HBCR-1610 Series Users Manual
IC individually bagged, no manual
IC individually boxed with manual and data sheet
FRQ Pin
The FRQ pin is used to tell the IC
what frequency oscillator is
attached to the IC. Using the
higher frequency allows greater
maximum scan speeds, but
causes the IC to draw slightly
more supply current. If the state
of the FRQ pin does not match
the actual oscillator, beeper
tones, LED flash length, parallel
port timing, and serial port baud
rates are adversely affected.
IOM Pin
The IOM pin selects between the
serial and parallel I/O mode of the
IC. Depending on the state of the
IOM pin, definitions of several
configuration pins change or
move to new positions.
IOM
0
1
I/O Mode
Parallel
Serial
FRQ Oscillator Frequency
0
16.000 MHz
1
11.059 MHz
4-38