EPM3064xxx Altera, EPM3064xxx Datasheet - Page 14

• Manufacturer Part Number: EPM3064xxx
• Description: MAX 3000A Programmable Logic Device Family
• Manufacturer: Altera

MAX 3000A Programmable Logic Device Family Data Sheet
14
By combining the pulse and shift times for each of the programming
stages, the program or verify time can be derived as a function of the TCK
frequency, the number of devices, and specific target device(s). Because
different ISP-capable devices have a different number of EEPROM cells,
both the total fixed and total variable times are unique for a single device.
Programming a Single MAX 3000A Device
The time required to program a single MAX 3000A device in-system can
be calculated from the following formula:
where: t
The ISP times for a stand-alone verification of a single MAX 3000A device
can be calculated from the following formula:
where: t
t
t
PR OG
VER
=
=
t
VPULSE
t
Cycle
f
t
Cycle
TCK
t
PROG
PPULSE
VER
VPULSE
PP ULSE
PTCK
VTCK
+
+
C ycle
--------------------------------
Cyc le
------------------------------- -
= Programming time
= Sum of the fixed times to erase, program, and
= Number of TCK cycles to program a device
= TCK frequency
= Verify time
= Sum of the fixed times to verify the EEPROM cells
= Number of TCK cycles to verify a device
f
TC K
f
T CK
VTC K
verify the EEPROM cells
PTC K
Altera Corporation