Cypress CY7C604XX manual AC External Clock Specifications, AC Programming Specifications

CY7C604XX

Figure 6. GPIO Timing Diagram

90%

GPIO Pin

Output

Voltage

10%

TRise23	TFall
TRise01

AC External Clock Specifications

Table 17 lists guaranteed maximum and minimum specifications for the entire voltage and temperature ranges.

Table 17. AC External Clock Specifications

Symbol	Description	Min	Typ	Max	Units
FOSCEXT	Frequency	0.750	–	25.2	MHz
–	High Period	20.6	–	5300	ns
–	Low Period	20.6	–	–	ns
–	Power Up IMO to Switch	150	–	–	μs

AC Programming Specifications

Table 18 lists guaranteed maximum and minimum specifications for the entire voltage and temperature ranges.

Table 18. AC Programming Specifications

Symbol	Description	Min	Typ	Max	Units
TRSCLK	Rise Time of SCLK	1	–	20	ns
TFSCLK	Fall Time of SCLK	1	–	20	ns
TSSCLK	Data Set up Time to Falling Edge of SCLK	40	–	–	ns
THSCLK	Data Hold Time from Falling Edge of SCLK	40	–	–	ns
FSCLK	Frequency of SCLK	0	–	8	MHz
TERASEB	Flash Erase Time (Block)	–	–	18	ms
TWRITE	Flash Block Write Time	–	–	25	ms
TDSCLK1	Data Out Delay from Falling Edge of SCLK,	–	–	85	ns
	3.0V<Vdd<3.6V
TDSCLK2	Data Out Delay from Falling Edge of SCLK,	–	–	130	ns
	1.71V<Vdd<3.0V

Document Number: 001-12395 Rev *H Page 22 of 30

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