参数资料
型号: MTA85812S-10I/SS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 10 MHz, RISC MICROCONTROLLER, PDSO20
封装: 0.209 INCH, PLASTIC, SSOP-20
文件页数: 36/72页
文件大小: 760K
代理商: MTA85812S-10I/SS
1995 Microchip Technology Inc.
DS40115C-page 41
MTA85XXX
FIGURE 15-5: CLKOUT AND I/O TIMING
TABLE 15-8:
CLKOUT AND I/O TIMING REQUIREMENTS
Parameter
No.
Sym
Characteristic
Min
Typ
Max
Units Conditions
10
TosH2ckL
OSC1
↑ to CLKOUT↓
15
30
ns
Note 1
11
TosH2ckH
OSC1
↑ to CLKOUT↑
15
30
ns
Note 1
12
TckR
CLKOUT rise time
5
15
ns
Note 1
13
TckF
CLKOUT fall time
5
15
ns
Note 1
14
TckL2ioV
CLKOUT
↓ to Port out valid
0.5 TCY+20
ns
Note 1
15
TioV2ckH
Port in valid before CLKOUT
0.25 TCY+25
ns
Note 1
16
TckH2ioI
Port in hold after CLKOUT
0
ns
Note 1
17
TosH2ioV
OSC1
↑ (Q1 cycle) to Port out valid
80 - 100
ns
Note 2
18
TosH2ioI
OSC1
↑ (Q2 cycle) to Port input invalid
(I/O in hold time)
TBD
ns
19
TioV2osH
Port input valid to OSC1
(I/O in setup time)
TBD
ns
20
TioR
Port output rise time
10
25
ns
Note 2
21
TioF
Port output fall time
10
25
ns
Note 2
*
These parameters are characterized but not tested.
Data in "Typ" column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance
only and are not tested.
Note 1: Measurements are taken in RC Mode where CLKOUT output is 4 x TOSC.
2: See Figure 15-3 for loading conditions.
A
OSC1
CLKOUT
I/O Pin
(input)
I/O Pin
(output)
AAAA
A
AAAA
AAA
Q4
Q1
Q2
Q3
10
13
14
17
20, 21
19
18
15
11
12
16
old value
new value
Note: All tests must be done with specified capacitive loads (see datasheet) 50 pF on I/O pins and CLKOUT.
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