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COP8TAB9 Datasheet, PDF (11/59 Pages) National Semiconductor (TI) – 8-Bit CMOS Flash Microcontroller with 2k Byte or 4k Byte Memory
8.0 Electrical Characteristics (Continued)
AC Electrical Characteristics −40˚C ≤ TA ≤ +85˚C unless otherwise specified.
Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.
Parameter
Conditions
Min
Typ
Oscillator Frequency
Crystal/Resonator, External
Internal R/C Oscillator
R/C Oscillator Frequency Variation
Instruction Cycle Time (tC)
Crystal/Resonator, External
Internal R/C Oscillator
External CKI Clock Duty Cycle
2.25V ≤ VCC ≤ 2.75V
2.25V ≤ VCC ≤ 2.75V
2.25V ≤ VCC ≤ 2.75V
2.25V ≤ VCC ≤ 2.75V
2.25V ≤ VCC ≤ 2.75V
fr = Max
9.0
0.65
1.1
45
Rise Time
fr = 10 MHz Ext Clock
Fall Time
fr = 10 MHz Ext Clock
MICROWIRE Setup Time (tUWS) Figure 1
20
MICROWIRE Hold Time (tUWH) Figure 1
20
MICROWIRE Output Propagation Delay (tUPD) Figure
1
MICROWIRE Maximum Shift Clock
Master Mode
Slave Mode
Input Pulse Width
Interrupt Input High Time (Note 2)
1
Interrupt Input Low Time
1
Timer Input High Time
1
Timer Input Low Time
1
Reset Pulse Width
0.5
Mass Erase Time
200
Page Erase Time
20
ACCESS.Bus Input signals (Note 6)
Bus Free Time Between Stop and Start Condition
(tBUFi) Figure 2
SCL Setup Time (tCSTOsi) Figure 2
SCL Hold Time (tCSTRhi) Figure 2
SCL Setup Time (tCSTRsi) Figure 3
Data High Setup Time (tDHCsi) Figure 3
Data Low Setup Time (tDLCsi) Figure 2
SCL Low Time (tSCLlowi) Figure 4
SCL High Time (tSCLhighi) Figure 4
SDA Hold Time (tSDAhi) Figure 4
SDA Setup Time (tSDAsi) Figure 4
ACCESS.Bus Output Signals (Note 6)
tSCLhigho
Before Stop Condition
8
After Start Condition
8
Before Start Condition
8
Before SCL Rising Edge (RE)
2
Before SCL RE
2
After SCL Falling Edge (FE)
12
After SCL RE
12
After SCL FE
0
Before SCL RE
2
Bus Free Time Between Stop and Start Condition
(tBUFo) Figure 2
SCL Setup Time (tCSTOso) Figure 2
SCL Hold Time (tCSTRho) Figure 3
SCL Setup Time (tCSTRso) Figure 3
Data High Setup Time (tDHCso) Figure 3
Data Low Setup Time (tDLCso) Figure 2
SCL Low Time (tSCLlowo) Figure 4
SCL High Time (tSCLhigho) Figure 4
Before Stop Condition
After Start Condition
Before Start Condition
Before SCL RE
Before SCL RE
After SCL FE
After SCL RE
tSCLhigho
tSCLhigho
tSCLhigho
tSCLhigho
tSCLhigho
tSCLhigho
16
16
Max
15
±30
DC
55
12
8
150
750
1.5
Units
MHz
MHz
%
µs
µs
%
ns
ns
ns
ns
ns
kHz
MHz
tC
tC
tC
tC
µs
ms
ms
mclk
mclk
mclk
mclk
mclk
mclk
mclk
ns
mclk
mclk
mclk
11
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