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參數(shù)資料
| 型號： | 87L51FB |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | CMOS single-chip 3.0V 8-bit microcontrollers |
| 中文描述： | CMOS單芯片3.0V 8位微控制器 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 187K |
| 代理商： | 87L51FB |
Philips Semiconductors
Product specification
87L51FA/87L51FB
CMOS single-chip 3.0V 8-bit microcontrollers
1996 Aug 16
3-156
Table 1. External Pin Status During Idle and Power-Down Mode
MODE
PROGRAM
MEMORY
ALE
PSEN
PORT 0
PORT 1
PORT 2
PORT 3
Idle
Internal
1
1
Data
Data
Data
Data
Idle
External
1
1
Float
Data
Address
Data
Power-down
Internal
0
0
Data
Data
Data
Data
Power-down
External
0
0
Float
Data
Data
Data
ABSOLUTE MAXIMUM RATINGS
1, 2, 3
PARAMETER
RATING
UNIT
Operating temperature under bias
0 to +70 or –40 to +85
°
C
Storage temperature range
–65 to +150
°
C
Voltage on EA/V
PP
pin to V
SS
0 to +13.0
V
Voltage on any other pin to V
SS
–0.5 to +6.5
V
Maximum I
OL
per I/O pin
15
mA
Power dissipation (based on package heat transfer limitations, not
device power consumption)
NOTES:
1. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and
functional operation of the device at these or any conditions other than those described in the AC and DC Electrical Characteristics section
of this specification is not implied.
2. This product includes circuitry specifically designed for the protection of its internal devices from the damaging effects of excessive static
charge. Nonetheless, it is suggested that conventional precautions be taken to avoid applying greater than the rated maxima.
3. Parameters are valid over operating temperature range unless otherwise specified. All voltages are with respect to V
SS
unless otherwise
noted.
1.5
W
Electrical Deviations from Commercial Specifications for Extended Temperature Range
DC and AC parameters not included here are the same as in the commercial temperature range table.
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