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參數(shù)資料
| 型號： | W78C33 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 8-BIT Microcontroller(8位的微控制器) |
| 中文描述： | 8位微控制器（8位的微控制器） |
| 文件頁數(shù)： | 10/18頁 |
| 文件大小： | 217K |
| 代理商： | W78C33 |
W78C33
- 10 -
DC Characteristics, continued
PARAMETER
SYM.
SPECIFICATION
UNIT
TEST CONDITIONS
MIN.
-
MAX.
0.45
Output Low Voltage
P0, ALE, PSEN [*3]
V
OL2
V
V
DD
= 4.5V
I
OL
= +4mA
Sink Current
P1, P2, P3, P4
Sink Current
I
SK1
4
8
mA
V
DD
= 4.5V
Vs = 0.45V
V
DD
= 4.5V
Vs = 0.45V
P0, ALE, PSEN
I
SK2
10
14
mA
Output High Voltage
P1, P2, P3, P4
Output High Voltage
V
OH1
2.4
-
V
V
DD
= 4.5V
I
OH
= -100
μ
A
V
DD
= 4.5V
I
OH
= -400
μ
A
P0, ALE, PSEN [*3]
V
OH2
2.4
-
V
Source Current
P1, P2, P3, P4
Source Current
I
SR1
-120
-180
μ
A
V
DD
= 4.5V
Vs = 2.4V
V
DD
= 4.5V
Vs = 2.4V
P0, ALE, PSEN
I
SR2
-10
-14
mA
Notes:
*1. RST pin is a Schmitt trigger input. RST has internal pull-low resistors of about 30 K
.
*3. P0, ALE and /PSEN are tested in the external access mode.
*4. XTAL1 is a CMOS input.
*5. Pins of P1, P2, P3, P4 can source a transition current when they are being externally driven from 1 to 0. The transition
current reaches its maximum value when V
IN
approximates to 2V.
AC CHARACTERISTICS
The AC specifications are a function of the particular process used to manufacture the part, the
ratings of the I/O buffers, the capacitive load, and the internal routing capacitance. Most of the
specifications can be expressed in terms of multiple input clock periods (T
CP
), and actual parts will
usually experience less than a
±
20 nS variation. The numbers below represent the performance
expected from a 1.2 micron CMOS process when using 2 and 4 mA output buffers.
Clock Input Waveform
T
T
XTAL1
F
CH
CL
OP,
T
CP
Continued
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相關代理商/技術參數(shù) |
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|---|---|
| W78C33B | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78C33B-24 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78C33B-40 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78C33BF-24 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78C33BF-40 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
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