CY7C9537B Datasheet, PDF (33/43 Pages) Cypress Semiconductor – OC-48/STM-16 Framer-POSIC2G

CONFIDENTIAL
Table 12.HBST Receive System Interface Timing Parameter Values
Parameter
f_RCLK[18]
t_RCLKD[18]
t_RREADYS
t_RREADYD
t_RDATAO
t_RADDRO
t_RPARITYO
t_RSOPO
t_REOPO
t_RERRO
t_RBVALO
t_RDVALO
t_RSTFAO
Description
RCLK Frequency
RCLK Duty Cycle
RREADY_n Set-up Time to RCLK
RREADY_n Hold Time to RCLK
RCLK HIGH to RDATA[31:0] Valid
RCLK HIGH to RADDR[7:0] Valid
RCLK HIGH to RPARITY Valid
RCLK HIGH to RSOP Valid
RCLK HIGH to REOP Valid
RCLK HIGH to RERR Valid
RCLK HIGH to RBVAL[2:0] Valid
RCLK HIGH to RDVAL Valid
RCLK HIGH to RSTFA Valid
Table 13.CPU System Interface Timing Parameter Values
Parameter
f_SYSCLK[18]
t_SYSCLKD[18]
f_CpuClk[18]
t_CpuAdsS
t_CpuAdsH
t_CpuADS
t_CpuADH
t_CpuADZ[18]
t_CpuADO
t_CpuWrRdS
t_CpuWrRdH
t_CpuTaO
t_CpuBlastS
t_CpuBlastH
t_CpuSelS
t_CpuSelH
t_CpuIntO
Description
SYSCLK Frequency
SYSCLK Duty Cycle
CpuClk Freq.
CpuAds_n Set-up Time to CpuClk
CpuAds_n Hold Time to CpuClk
CpuAD Set-up Time to CpuClk
CpuAD Hold Time to CpuClk
CpuAD Float
CpuAD Output Delay after CpuClk Rise
CpuWrRd Set-up Time to CpuClk
CpuWrRd Hold Time to CpuClk
CpuTa_n Valid Delay
CpuBlast_n Set-up to CpuClk
CpuBlast_n Hold to CpuClk
CpuSel Set-up to CpuClk
CpuSel Hold to CpuClk
CpuInt Valid Delay
Table 14.TOH Serial Interface Receive Timing Parameter Values
Parameter
t_Clk2MHzH[18]
t_Clk2MHzL[18]
t_Clk2MHzR[19]
t_Clk2MHzF[19]
t_REPW
t_REO
t_TOHSDOUTO
Description
Clk2MHz High Period
Clk2MHz Low Period
Clk2MHz Rise Time
Clk2MHz Fall Time
RE1STROBE or RE2STROBE Pulse Width
RE1STROBE or RE2STROBE Output Delay after Clk2MHZ
Rising Edge
TOHSDOUT Output Delay after Clk2MHZ Rising Edge
CY7C9537B
Min.
–
40
2
0.5
1.5
1.5
1.5
1.5
1.5
1.2
1.5
1.5
1.5
Max.
104
60
–
–
6
6
6
6
6
6
6
6
6
Unit
MHz
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Min.
Max.
Unit
133
133.33
MHz
45
55
%
–
66
MHz
7
–
ns
2
–
ns
7
–
ns
2
–
ns
-
14
ns
-
10.1
ns
7
–
ns
2
–
ns
–
10.1
ns
7
–
ns
2
–
ns
7
–
ns
2
–
ns
–
10.1
ns
Min.
31
31
–
–
62
–
–
Max.
34
34
6
6
67
8
8
Unit
SYSCLK cycles
SYSCLK cycles
ns
ns
SYSCLK cycles
ns
ns
Document #: 38-02079 Rev. *F
Page 33 of 43