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參數(shù)資料
| 型號： | BN87C51BH |
| 廠商： | INTEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 16/16頁 |
| 文件大小： | 842K |
| 代理商： | BN87C51BH |
AUTOMOTIVE 80C31BH/80C51BH/87C51
NOTES
: (Continued)
4. Pins of Ports 1, 2 and 3 source a transition current when they are being externally driven from 1 to 0. The transition
current reaches its maximum value when VIN is approximately 2V.
5. ICCMAX at other frequencies is given by:
Active Mode: 87C51
ICCMAX e 0.94 c FREQ a 13.71
80Cx1BH ICCMAX e 1.47 c FREQ a 2.36
Idle Mode:
ICCMAX e 0.14 c FREQ a 3.81
where FREQ is the external oscillator frequency in MHz. ICCMAX is given in mA. See Figure 6.
6. See Figures 7 through 10 for ICC test conditions. Minimum VCC for Power Down is 2.0V.
7. Under steady state (non-transient) conditions, IOL must be externally limited as follows:
Maximum IOL per port pin:
10 mA
Maximum IOL per 8-bit port
Port 0:
26 mA
Ports 1, 2, and 3:
15 mA
Maximum total IOL for all output pins:
71 mA
If IOL exceeds the test condition, VOL may exceed the related specification. Pins are not guaranteed to sink current greater
than the listed test conditions.
270419±7
Figure 6. ICC vs. FREQ. Valid only
within frequency specifications
of the
device under test
.
270419±8
Figure 7. ICC Test Condition, Active Mode.
All other pins are disconnected.
270419±10
Figure 8. ICC Test Condition, Idle Mode.
All other pins are disconnected.
270419±11
Figure 9. ICC Test Condition, Power Down
Mode. All other pins are disconnected.
270419±9
Figure 10. Clock Signal Waveform for ICC tests in Active and Idle Modes.
TCLCH e TCHCL e 5 ns.
9
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