MC68340 datasheet(424/441 Pages) FREESCALE

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11-24

MC68340 USER’S MANUAL

MOTOROLA

11.11 IEEE 1149.1 ELECTRICAL SPECIFICATIONS (See notes (a), (b), (c), and (d)

corresponding to part operation, GND = 0 Vdc, TA = 0 to 70

°C; see Figures 11-19–11-21)

3.3 V

3.3 V or

5.0 V

8.39 MHz

16.78 MHz

25.16 MHz

Num.

Characteristic

Min

Max

Min

Max

Min

Max

Unit

TCK Frequency of Operation

8.39

16.78

MHz

TCK Cycle Time in Crystal Mode

119.2

—

59.6

—

TCK Clock Pulse Width Measured at 1.5 V

—

TCK Rise and Fall Times

0503

Boundary Scan Input Data Setup Time

—

Boundary Scan Input Data Hold Time

—

TCK Low to Output Data Valid

TCK Low to Output High Impedance

120

TMS, TDI Data Setup Time

—

TMS, TDI Data Hold Time

—

TCK Low to TDO Data Valid

TCK Low to TDO High Impedance

NOTES:

(a) The electrical specifications in this document for both the 8.39 and 16.78 MHz @ 3.3 V

±0.3 V are preliminary,

and apply only to the appropriate MC68340V low voltage part.

(b) The 16.78-MHz specifications apply to the MC68340 @ 5.0 V

±5% operation.

±5% electrical specifications are preliminary.

(d) For extended temperature parts T A = –40 to +85°C. These specifications are preliminary.

TCK

Figure 11-19. Test Clock Input Timing Diagram

Freescale Semiconductor, Inc.

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