EN87C51FA1SF76 查看數據表（PDF） - Atmel Corporation
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EN87C51FA1SF76 Datasheet PDF : 21 Pages
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87C51/80C51BH/80C31BH
Thermal Impedance
All thermal impedance data is approximate for static
air conditions at 1W of power dissipation. Values will
change depending on operating conditions and ap-
plications. See the Intel Packaging Handbook (Order
No. 240800) for a description of Intel's thermal im-
pedance test methodology.
Device
87C51
BH
87C51
BH
All
All
θ JA
45°C/W
75°C/W
45°C/W
36°C/W
46°C/W
98°C/W
θ JC
16°C/W
23°C/W
15°C/W
13°C/W
16°C/W
24°C/W
87C51
BH
87C51
BH
All
All
DATA SHEET REVISION HISTORY
Data sheets are changed as new device information
becomes available. Verify with your local Intel sales
office that you have the latest version before finaliz-
ing a design or ordering devices.
The following differences exist between this data-
sheet (272335-004) and the previous version
(272335-003):
1. Product prefix variables are now indicated with an x.
The following differences exist between this data-
sheet (272335-003) and the previous version
(272335-002):
1. Removed – 20 and – 3 spec, replaced with – 24
spec.
2. Added – 24 spec.
3. 80C51BHP is replaced by 80C51BH with 64-byte
encryption table submitted and lock bit 1 set.
4. 80C51BH/80C31BH are now having some addi-
tional features as 87C51.
5. Revised PRST value and ICC idle values.
6. Added P3.3 control pin to programming and veri-
fication.
7. Added 80C51BH signature byte.
The following differences exist between the ``-002''
and the ``-001'' version of the 87C51/80C51BH/
80C31BH datasheet.
1. Removed - L, IOL = ± 10 mA from Float Wave-
forms figure.
2. Removed QP, QD and QN (commercial with ex-
tended burn-in) from Table 3. Prefix Identification.
This data sheet (272335-001) replaces the following:
80C51BH/80C31BH Express
80C51BHP
87C51/80C51BH/80C31BH
87C51 Express
87C51-20/-3
270218-003
270603-004
270147-008
270430-002
272082-002
21
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