R80C188XL-25 查看數據表（PDF） - Intel

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R80C188XL-25

16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS

Intel 

80C186XL 80C188XL

DC SPECIFICATIONS (Continued) TA e 0 C to a70 C VCC e 5V g10%

Symbol

Parameter

Min

Max

Units

VCHO

Clock Output High

VCC b 0 5

V

CIN

Input Capacitance

10

pF

CIO

Output or I O Capacitance

20

pF

Test Conditions

ICHO e b500 mA

1 MHz(2)

1 MHz(2)

NOTES

1 Pins being floated during HOLD or by invoking the ONCE Mode

2 Characterization conditions are a) Frequency e 1 MHz b) Unmeasured pins at GND c) VIN at a 5 0V or 0 45V This

parameter is not tested

3 Current is measured with the device in RESET with X1 and X2 driven and all other non-power pins open

4 RD QSMD UCS LCS MCS0 PEREQ MCS1 ERROR and TEST BUSY pins have internal pullup devices Loading some

of these pins above IOH e b200 mA can cause the processor to go into alternative modes of operation See the section on

Local Bus Controller and Reset for details

Power Supply Current

Current is linearly proportional to clock frequency

and is measured with the device in RESET with X1

and X2 driven and all other non-power pins open

Maximum current is given by ICC e 5 mA c freq

(MHz) a IQL

IQL is the quiescent leakage current when the clock

is static IQL is typically less than 100 mA

272431 – 9

Figure 5 ICC vs Frequency

23

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