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HB7121B
Semiconductor Inc.
System IC SBU
DESCRIPTION
HB7121B is a highly integrated single chip CMOS B/W image sensor using Hynix 0.5um CMOS process
developed for image application to realize high efficiency photo sensor. The sensor has 414X314 pixels total,
and 400X300 pixels effective. Each pixel is high photo sensitive, small size active pixel element that converts
photons to analog voltage signal. The sensor has three on-chip 8 bit Digital to Analog Convert (DAC) and 414
comparators to digitize the pixel output. The three on-chip 8 bit DAC can be used for independent gain
control. Hynix proprietary on-chip Correlated Double Sampling (CDS) circuit can reduce Fixed Pattern Noise
(FPN) dramatically. The whole 8 bit digital B/W raw data is directly available on the package pins and just a
few control signals are needed for whole chip control, so it is very ease to configure a system using the
sensor.
FEATURES
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400 x 300 pixels resolution
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8um x 8um square pixel(with Microlens)
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High efficiency photo sensors
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Integrated 8-bit ADC for direct digital output
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Low power 3.3V operation (5V tolerant I/O)
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Integrated pan control and window sizing
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Clock speed up to 15MHz
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Programmable frame rate and synchronous format
TECHNICAL SPECIFICATION FUNCTIONAL BLOCK DIAGRAM
Pixel resolution
402x302
Pixel size
8x8um
2
Fill factor(without Microlens)
30%
Format
CIF
Sensitivity
8.0V/lux
sec
Supply voltage for analog
3.3V
Supply voltage for digital
3.3V
Supply voltage for 5V tolerant input
5.0V
Power Consumption
TBD@15MHz
Operating temperature
0~40 Centigrade
Technology
0.5um 3metal CMOS
CMOS IMAGE SENSOR
With 8-bit ADC
This document is a general product description and is subject to change without notice. Hynix Semiconductor does not assume any
responsibility for use of circuits described. NO patent licenses are implied.
DA21000601R_1.1 - 1 - 2001 Hynix System IC SBU
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Full function control through standard I
2
C bus
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Built-in Automatic Gain Control (AGC)
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48 pin CLCC
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Anti-blooming circuit
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Flexible exposure time control
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Integrated on-chip timing and drive control
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1/4" optical format
Pixel Array
ADC Block
Line Buffer
D
I
2
C
C