Cypress CY7C604XX ユーザーズマニュアル
CY7C604XX
Document Number: 001-12395 Rev *H
Page 20 of 30
DC POR and LVD Specifications
DC Programming Specifications
Table 13. DC POR and LVD Specifications
Symbol
Description
Min
Typ
Max
Units
V
PPOR0
V
PPOR1
V
PPOR2
V
PPOR3
Vdd Value for PPOR Trip
PORLEV[1:0] = 00b, HPOR = 0
PORLEV[1:0] = 00b, HPOR = 1
PORLEV[1:0] = 01b, HPOR = 1
PORLEV[1:0] = 10b, HPOR = 1
PORLEV[1:0] = 00b, HPOR = 1
PORLEV[1:0] = 01b, HPOR = 1
PORLEV[1:0] = 10b, HPOR = 1
1.61
1.66
2.36
2.60
2.82
2.36
2.60
2.82
1.71
2.41
2.66
2.95
2.41
2.66
2.95
V
V
V
V
V
V
V
V
LVD0
V
LVD1
V
LVD2
V
LVD3
V
LVD4
V
LVD5
V
LVD6
Vdd Value for LVD Trip
VM[2:0] = 000b
VM[2:0] = 000b
VM[2:0] = 001b
VM[2:0] = 010b
VM[2:0] = 011b
VM[2:0] = 100b
VM[2:0] = 101b
VM[2:0] = 110b
VM[2:0] = 100b
VM[2:0] = 101b
VM[2:0] = 110b
(13)
2.40
2.64
2.85
2.95
3.06
1.84
1.75
2.64
2.85
2.95
3.06
1.84
1.75
2.45
2.71
2.92
3.02
3.13
2.71
2.92
3.02
3.13
1.9
1.8
1.8
2.51
2.78
2.99
3.09
3.20
2.32
1.84
2.78
2.99
3.09
3.20
2.32
1.84
V
V
V
V
V
V
V
Table 14. DC Programming Specifications
Symbol
Description
Min
Typ
Max
Units
Vdd
IWRITE
Supply Voltage for Flash Write Operations
1.71
–
–
V
I
DDP
Supply Current During Programming or Verify
–
5
25
mA
V
ILP
Input Low Voltage During Programming or Verify
–
–
V
IL
V
V
IHP
Input High Voltage During Programming or Verify
V
IH
–
–
V
I
ILP
Input Current when Applying Vilp to P1[0] or P1[1] During
Programming or Verify
Programming or Verify
–
–
0.2
mA
I
IHP
Input Current when Applying Vihp to P1[0] or P1[1]
During Programming or Verify
During Programming or Verify
–
–
1.5
mA
V
OLV
Output Low Voltage During Programming or Verify
–
–
Vss + 0.75
V
V
OHV
Output High Voltage During Programming or Verify
V
OH
(13)
–
Vdd
V
Flash
ENPB
Flash Write Endurance
50,000
–
–
Cycles
Flash
DR
Flash Data Retention
10
20
–
Years
Notes
9. Vdd must be greater than or equal to 1.71V during startup, reset from the XRES pin, or reset from watchdog.
10. Always greater than 50 mV above V
10. Always greater than 50 mV above V
PPOR1
for falling supply.
11. Always greater than 50 mV above V
PPOR2
for falling supply.
12. Always greater than 50 mV above V
PPOR3
for falling supply.
13. Always greater than 50 mV above V
PPOR0
voltage for falling supply.
14. Driving internal pull down resistor.
15. See appropriate
15. See appropriate
table. For Vdd > 3V use V
OH4
16. Erase/write cycles per block.
17. Following maximum Flash write cycles at Tamb = 55C and Tj = 70C.
17. Following maximum Flash write cycles at Tamb = 55C and Tj = 70C.