Nokia RH-9 Series Ccs Technical Documentation page 46

RH-9
System Module & UI
Memory Operation
The actual timing values used in section Read and Write is shown in figure below, please
refer to this figure when reading the timing diagrams of read and write cycles.
AC operating conditions, test conditions (Test Load and Test Input/Output Reference)
• Input pulse level: 0.2 to Vcc-0.2V
• Input rising and falling time: 5ns
• Input and output reference voltage:0.9V
• Output load (see figure): cL=100pF + 1 TTL, cL=30pF + 1TTL
Page 46
Figure 15: AC characteristics for SRAM
ãNokia Corporation
CCS Technical Documentation
Issue 1 11/02