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54
CIRCUIT DESCRIPTION
Terminal No.
Terminal name
Signal name
Active H/L
Function
59
VL
VL
CR oscillator output. (f= 4.19 MHz)
Microprocessor reset input.
Function
2048-word x 8-bit static RAM
Application
Memory system, battery-driven portable system
Block diagram
Sub code syne SO+S$1
output.
a
Output data
buffer
bo
decoder
Memory cell play
128x128
Input data controller
Input data buffer
i=
tt
Address
buffer
TOD ee 1/08
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