ATA8741 ATMEL Corporation, ATA8741 Datasheet - Page 202

• Manufacturer Part Number: ATA8741
• Manufacturer: ATMEL Corporation

29.7
202
High-voltage Serial Programming Characteristics
ATA8741
Table 29-8.
Note:
Figure 29-5. High-voltage Serial Programming Timing
Table 29-9.
t
Symbol
WLWH_PFB
1/t
1/t
t
t
t
t
t
t
Symbol
t
OVSH
SHOX
CLCL
CLCL
SHSL
SLSH
SLIV
t
CLCL
CLCL
t
t
t
t
SHOV
SHSL
SLSH
IVSH
SHIX
CC
1. 2 t
Parameter
Oscillator Frequency (ATtiny24/44/84V)
Oscillator Period (ATtiny24/44/84V)
Oscillator Frequency (ATtiny24/44/84, V
5.5V)
Oscillator Period (ATtiny24/44/84, V
SCK Pulse Width High
SCK Pulse Width Low
MOSI Setup to SCK High
MOSI Hold after SCK High
SCK Low to MISO Valid
CLCL
Serial Programming Characteristics, T
(Unless Otherwise Noted)
High-voltage Serial Programming Characteristics
T
Parameter
SCI (PB0) Pulse Width High
SCI (PB0) Pulse Width Low
SDI (PA6), SII (PB1) Valid to SCI (PB0) High
SDI (PA6), SII (PB1) Hold after SCI (PB0) High
SCI (PB0) High to SDO (PA4) Valid
Wait after Instr. 3 for Write Fuse Bits
A
= 25°C ± 10%, V
for f
ck
< 12 MHz, 3 t
CC
CLCL
= 5.0V ± 10% (Unless otherwise noted)
CK
for f
ck
CC
>= 12 MHz
= 4.5V - 5.5V)
CC
= 4.5V -
A
= -40°C to 125°C, V
2 t
2 t
2 t
t
TBD
Min
250
CLCL
CLCL*
50
CLCL
CLCL
0
0
Min
110
110
50
50
*
Typ
TBD
2.5
CC
Typ
16
= 2.7 - 5.5V
9140B–INDCO–07/09
Max
Max
TBD
20
4
Units
Units
MHz
MHz
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns