Cypress CY7C64345, CY7C6431x manual AC Electrical Characteristics, DC Programming Specifications

Models: CY7C6431x CY7C64345 CY7C6435x

1 28
Download 28 pages 1.69 Kb
Page 18
Image 18

CY7C6431x

CY7C64345, CY7C6435x

DC Programming Specifications

Table 13 lists guaranteed maximum and minimum specifications for the entire voltage and temperature ranges.

Table 13. DC Programming Specifications

Symbol

Description

Min

Typ

Max

Units

VddIWRITE

Supply Voltage for Flash Write Operations

3.0

V

IDDP

Supply Current During Programming or Verify

5

25

mA

VILP

Input Low Voltage During Programming or Verify

VIL

V

VIHP

Input High Voltage During Programming or Verify

VIH

V

IILP

Input Current when Applying Vilp to P1[0] or P1[1] During

0.2

mA

 

Programming or Verify(8)

 

 

 

 

IIHP

Input Current when Applying Vihp to P1[0] or P1[1] During

1.5

mA

 

Programming or Verify(8)

 

 

 

 

VOLV

Output Low Voltage During Programming or Verify

Vss + 0.75

V

VOHV

Output High Voltage During Programming or Verify

Vdd - 0.9

Vdd

V

FlashENPB

Flash Write Endurance(9)

50,000

Cycles

FlashDR

Flash Data Retention(10)

10

20

Years

AC Electrical Characteristics

AC Chip Level Specifications

The following tables list guaranteed maximum and minimum specifications for the entire voltage and temperature ranges.

Table 14. AC Chip Level Specifications

Symbol

Description

Min

Typ

Max

Units

FMAX

Maximum Operating Frequency(11)

24

MHz

FCPU

Maximum Processing Frequency(12)

24

MHz

F32K1

Internal Low Speed Oscillator Frequency

19

32

50

kHz

FIMO24

Internal Main Oscillator Stability for 24 MHz ± 5%(13)

22.8

24

25.2

MHz

FIMO12

Internal Main Oscillator Stability for 12 MHz(13)

11.4

12

12.6

MHz

FIMO6

Internal Main Oscillator Stability for 6 MHz(13)

5.7

6.0

6.3

MHz

DCIMO

Duty Cycle of IMO

40

50

60

%

TRAMP

Supply Ramp Time

0

μs

Notes

8.Driving internal pull down resistor.

9.Erase/write cycles per block.

10.Following maximum Flash write cycles at Tamb = 55C and Tj = 70C

11.Vdd = 3.0V and TJ = 85oC, digital clocking functions.

12.Vdd = 3.0V and TJ = 85oC, CPU speed.

13.Trimmed for 3.3V operation using factory trim values.

Document Number: 001-12394 Rev *G

Page 18 of 28

[+] Feedback

Page 18
Image 18
Cypress CY7C64345, CY7C6431x AC Electrical Characteristics, DC Programming Specifications, AC Chip Level Specifications