LM98555
www.ti.com
SNAS290D – DECEMBER 2005 – REVISED APRIL 2013
LM98555 CCD Driver
Check for Samples: LM98555
FEATURES
1
•2 All CCD Drivers Integrated into One Package • High Strength Drivers Designed Specifically
for CCD Loads • Ability to Scale Clock Driver Strength • Skew Specifications Ensured • Separate Input and Output Power Supplies • CMOS Process Technology • 64-Pin HTSSOP Package with Extended Power
Handling Capability
DESCRIPTION
The LM98555 is a highly integrated driver circuit .
CCD Driver
LM98555
www.ti.com
SNAS290D – DECEMBER 2005 – REVISED APRIL 2013
LM98555 CCD Driver
Check for Samples: LM98555
FEATURES
1
•2 All CCD Drivers Integrated into One Package • High Strength Drivers Designed Specifically
for CCD Loads • Ability to Scale Clock Driver Strength • Skew Specifications Ensured • Separate Input and Output Power Supplies • CMOS Process Technology • 64-Pin HTSSOP Package with Extended Power
Handling Capability
DESCRIPTION
The LM98555 is a highly integrated driver circuit intended for CCD driving applications. It combines 25 drivers of varying drive strengths into one chip to provide a complete CCD driving solution. Due to this one-chip integration, optimal skew control is achieved for this demanding application.
KEY SPECIFICATIONS
• Supply Voltage – Inputs 3.0 to 5.5V – Drivers 4.5 to 5.8V
• Maximum Output Skew Between P1A and P2A Outputs 0.5 ns
• Maximum Power Handling 2.0W
Functional Description
CPOUT RSOUT P2BOUT
P2BIN RSIN CPIN EN0 EN1
P1AIN
DRIVER ENABLE LOGIC (SEE TRUTH TABLE)
VDD1 VDD0 GND1 GND0 P1AOUT0 P1AOUT1 P1AOUT2 P1AOUT3 P1AOUT4 P1AOUT5 P1AOUT6 P1AOUT7
P2AIN
SHIN
AFEIN SHDIN MCLIN
MCLOUT SHDOUT AFEOUT
PsAOUT0 P2AOUT1 P2AOUT2 P2AOUT3 P2AOUT4 P2AOUT5 P2AOUT6 P2AOUT7
SHOUT0 SHOUT1 SHOUT2
NOTE: PRE-DRIVERS NOT SHOWN
Figure 1. Functional Block Diagram
1
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