參數(shù)資料
型號(hào): MQ80C52TXXX-20:D
廠(chǎng)商: ATMEL CORP
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT, MROM, 20 MHz, MICROCONTROLLER, CQFP44
封裝: CERAMIC, QFP-44
文件頁(yè)數(shù): 49/81頁(yè)
文件大?。?/td> 663K
53
ATtiny28L/V
1062F–AVR–07/06
Parallel Programming
Characteristics
Figure 40. Parallel Programming Timing
T
A = 25°C ± 10%, VCC = 5V ± 10%
Symbol
Parameter
Min
Typ
Max
Unit
V
PP
Programming Enable Voltage
11.5
12.5
V
IPP
Programming Enable Current
250.0
A
tDVXH
Data & Control Valid before XTAL1 High
67.0
ns
t
XHXL
XTAL1 Pulse Width High
67.0
ns
tXLDX
Data & Control Hold after XTAL1 Low
67.0
ns
tXLWL
XTAL1 Low to WR Low
67.0
ns
t
BVWL
BS Valid to WR Low
67.0
ns
tRHBX
BS Hold after RDY/BSY High
67.0
ns
tWLWH
WR Pulse Width Low
67.0
ns
t
WLRL
WR Low to RDY/BSY Low
0.0
2.5
s
tWLRH
WR Low to RDY/BSY High
0.5
0.7
0.9
ms
tXLOL
XTAL1 Low to OE Low
67.0
ns
t
OLDV
OE Low to DATA Valid
20.0
ns
tOHDZ
OE High to DATA Tri-stated
20.0
ns
Data & Contol
(DATA, XA0/1, BS)
DATA
W
rite
Read
XTAL1
t
XHXL
t
WLWH
t
DVXH
t
XLOL
t
OLDV
t
WLRL
t
WLRH
WR
RDY/BSY
OE
t
XLDX
t
XLWL
t
RHBX
t
OHDZ
t
BVWL
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