Agilent Technologies 35670A Service Manual page 333

ROM Address
Latch,DRAM Address
MUX and Buffer
DRAM Data Buffer
FLASH Program
Control
RAM Battery Power
Battery Backed Real
Time Clock
Agilent 35670A
Buffer the processor address bus.
Buffers the data on the Processor Data Bus and the Buffered Processor Data Bus.
Allows the FLASH ROM to be reprogrammed.
Provides battery backup for SRAM and the Battery Backed Real Time Clock.
Keeps track of the current time and date.
A8 Memory Block Diagram
Circuit Descriptions
A8 Memory
8-31