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A- 8 M68040 USER’S MANUAL MOTOROLA
This device contains protective
circuitry against damage due to high
static voltages or electrical fields;
however, it is advised that normal
precautions be taken to avoid
application of any voltages higher
than maximum-rated voltages to this
high-impedance circuit. Reliablity of
operation is enhanced if unused
inputs are tied to an appropriate
logic voltage level (e.g., either GND
or V CC ).
A.6.1 Maximum Ratings
Characteristic Symbol Value Unit
Supply Voltage VCC –0.3 to +7.0 V
Input Voltage Vin –0.5 to +7.0 V
Maximum Operating Junction Temperature TJ110 °C
Minimum Operating Ambient Temperature TA0°C
Storage Temperature Range Tstg –55 to 150 °C
A.6.2 Thermal Characteristics
Characteristic Symbol Value Rating
Thermal Resistance, Junction to Case—
PGA Package
θJC 3°C/W
A.6.3 DC Electrical Specifications (V CC = 5.0 Vdc ±5 %)
Characteristic Symbol Min Max Unit
Input High Voltage VIH 2V
CC V
Input Low Voltage VIL GND 0.8 V
Undershoot — 0.8 V
Input Leakage Current @ 0.5–2.4 V
AVEC , BCLK, BG, CDIS , MDIS, IPL≈, PCLK, RSTI, SCx,
TBI, TLNx , TCI , TCK, TEA
Iin 20 20 µA
Hi-Z (Off-State) Leakage Current @ 0.5–2.4 V
An, BB, CIOUT , Dn, LOCK, LOCKE, R/ W, SIZx, TA, TDO,
TIP, TMx, TLNx, TS, TTx, UPAx
ITSI 20 20 µA
Signal Low Input Current, VIL = 0.8 V
TMS, TDI, TRST IIL –1.1 –0.18 mA
Signal High Input Current, VIH = 2.0 V
TMS, TDI, TRST IIH –0.94 –0.16 mA
Output High Voltage, IOH = 5 mA VOH 2.4 — V
Output Low Voltage, IOL = 5 mA VOL — 0.5 V
Capacitance*, Vin = 0 V, f = 1 MHz Cin —25pF
*Capacitance is periodically sampled rather than 100% tested.
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