CY14C064PA_12 Datasheet, PDF (33/43 Pages) Cypress Semiconductor – 64-Kbit (8 K × 8) SPI nvSRAM with Real Time Clock

CY14C064PA
CY14B064PA
CY14E064PA
AC Test Loads and Waveforms
For 2.5 V (CY14C064PA):
Figure 33. AC Test Loads and Waveforms
2.5 V
OUTPUT
30 pF
909 
R1
R2
1290 
2.5 V
OUTPUT
5 pF
909 
R1
For Tri-state specs
R2
1290 
For 3 V (CY14B064PA):
3.0 V
OUTPUT
30 pF
577 
R1
R2
789 
3.0 V
OUTPUT
5 pF
577  ^{For Tri-state specs}
R1
R2
789 
For 5 V (CY14E064PA):
5.0 V
OUTPUT
30 pF
963 
R1
R2
512 
5.0 V
OUTPUT
5 pF
963 
R1
For Tri-state specs
R2
512 
AC Test Conditions
Description
Input pulse levels
Input rise and fall times (10%–90%)
Input and output timing reference levels
CY14C064PA
0 V to 2.5 V
< 3 ns
1.25 V
CY14B064PA
0 V to 3 V
< 3 ns
1.5 V
CY14E064PA
0 V to 3 V
< 3 ns
1.5 V
Document Number: 001-68249 Rev. *C
Page 33 of 43