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| 型号： | COP8SGR928V9 |
| 厂商： | National Semiconductor Corporation |
| 英文描述： | 8-Bit CMOS ROM Based and OTP Microcontrollers with 8k to 32k Memory, Two Comparators and USART |
| 中文描述： | 8位的CMOS基于ROM和OTP微控制器具有8K到32K的内存，2个比较器和USART |
| 文件页数： | 61/62页 |
| 文件大小： | 913K |
| 代理商： | COP8SGR928V9 |
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DC Electrical Characteristics (Continued)
40C
≤ T
A ≤ +85C unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Units
Output Current Levels
D Outputs
Source
V
CC = 4.5V, VOH = 3.3V
0.4
mA
V
CC = 2.7V, VOH = 1.8V
-0.2
mA
Sink
V
CC = 4.5V, VOL = 1.0V
10
mA
V
CC = 2.7V, VOL = 0.4V
2
mA
All Others
Source (Weak Pull-Up Mode)
V
CC = 4.5V, VOH = 2.7V
10.0
110
A
V
CC = 2.7V, VOH = 1.8V
-2.5
-33
A
Source (Push-Pull Mode)
V
CC = 4.5V, VOH = 3.3V
0.4
mA
V
CC = 2.7V, VOH = 1.8V
-0.2
mA
Sink (Push-Pull Mode)
V
CC = 4.5V, VOL = 0.4V
V
CC = 2.7V, VOL = 0.4V
1.6
0.7
mA
TRI-STATE Leakage
V
CC = 5.5V
2
+2
A
Allowable Sink Current per Pin (Note 9)
D Outputs and L0 to L3
15
mA
All Others
3mA
Maximum Input Current without Latchup
Room Temp.
±200
mA
RAM Retention Voltage, Vr
2.0
V
CC Rise Time from a VCC ≥ 2.0V
12
s
EPROM Data Retenton (Note 8), (Note 9)
T
A = 55C
>29
years
Input Capacitance
7
pF
Load Capacitance on D2
1000
pF
AC Electrical Characteristics
40C
≤ T
A ≤ +85C unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Units
Instruction Cycle Time (t
C)
Crystal/Resonator, External
4.5V
≤ V
CC ≤ 5.5V
0.67
s
2.7V
≤ V
CC ≤ 4.5V
2
s
R/C Oscillator (Internal)
4.5V
≤ V
CC ≤ 5.5V
2
s
Frequency Variation (Note 9)
4.5V
≤ V
CC ≤ 5.5V
±35
%
External CKI Clock Duty Cycle (Note 9)
fr = Max
45
55
%
Rise Time (Note 9)
fr = 10 MHz Ext Clock
8
ns
Fall Time (Note 9)
fr = 10 MHz Ext Clock
5
ns
MICROWIRE Setup Time (t
UWS) (Note
20
ns
MICROWIRE Hold Time (t
UWH) (Note
56
ns
MICROWIRE Output Propagation Delay
(t
UPD) (Note 11)
220
ns
Input Pulse Width (Note 9)
Interrupt Input High Time
1
t
C
Interrupt Input Low Time
1
t
C
Timer 1, 2, 3, Input High Time
1
t
C
Timer 1 2, 3, Input Low Time
1
t
C
Reset Pulse Width
1
s
Note 3: tC = Instruction cycle time.
COP8SG
Family
www.national.com
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