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參數資料
型號: W79E648
廠商: WINBOND ELECTRONICS CORP
英文描述: Fast 8051 Compatible microcontroller with a redesigned Processor
中文描述: 快速8051兼容微控制器重新設計的處理器
文件頁數: 67/80頁
文件大?。?/td> 407K
代理商: W79E648
Preliminary W79E648
Publication Release Date: 05/31/2004
- 67 - Revision A1
DC Characteristics, continued
SPECIFICATION
MIN.
MAX.
PARAMETER
SYMBOL
UNIT
TEST CONDITIONS
Sink current
P1, P3, P4,P5, P6, P7
Sink current
Isk1
4
8
mA
V
DD
=4.5V
Vs = 0.45V
V
DD
=4.5V
V
OL
= 0.45V
V
DD
=4.5V
V
OL
= 2.4V
V
DD
=4.5V
V
OL
= 2.4V
V
DD
= 4.5V
I
OL
= +6 mA
V
DD
= 4.5V
I
OL
= +10 mA
V
DD
= 4.5V
I
OH
= -180
μ
A
V
DD
= 4.5V
I
OH
= -10mA
P0,P2, ALE,
PSEN
Source current
P1, P3, P4, P5, P6, P7
Source current
Isk2
10
14
mA
Isr1
-180
-360
uA
P0, P2, ALE,
PSEN
Output Low Voltage
P1, P3, P4, P5, P6, P7
Output Low Voltage
P0, P2, ALE,
PSEN
[*2]
Output High Voltage
P1, P3, P4, P5, P6, P7
Output High Voltage
P0, P2, ALE,
PSEN
[*2]
Isr2
-10
-14
mA
V
OL1
-
0.45
V
V
OL2
-
0.45
V
V
OH1
2.4
-
V
V
OH2
2.4
-
V
Notes:
*1. RST pin is a Schmitt trigger input.
*2. P0, ALE and
PSEN
are tested in the external access mode.
*3. XTAL1 is a CMOS input.
*4. Pins of P1, P2, P3 can source a transition current when they are being externally driven from 1 to 0. The transition
current reaches its maximum value when VIN approximates to 2V.
17.3 AC Characteristics
t
CLCL
t
CLCX
t
CHCX
t
CLCH
t
CHCL
Clock
Note: Duty cycle is 50%.
相關PDF資料
PDF描述
W79E802 8-BIT MICROCONTROLLER
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W79E802ADG 8-BIT MICROCONTROLLER
W79E802ASG 8-BIT MICROCONTROLLER
W79E803 8-BIT MICROCONTROLLER
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