Texas Instruments TMS380C26 User Manual

Page 46

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TMS380C26
NETWORK COMMPROCESSOR

SPWS010A–APRIL 1992–REVISED MARCH 1993

POST OFFICE BOX 1443

HOUSTON, TEXAS

77251–1443

46

PARAMETER MEASUREMENT INFORMATION

memory bus timing: TMS380C26 resumes control of bus

t

M

is the cycle time of one-eighth of a local memory cycle (31.25 ns minimum)

NO.

PARAMETER

MIN

MAX

UNIT

79

Hold time of MIF output high impedance after MBCKL1 rising edge, bus resume

tM – 13

ns

80

Delay time from MBCLK1 high to MIF output vallid, bus resume

tM + 9

ns

91

Setup time of MBRQ valid before MBCLK1 falling edge, bus resume

24

ns

82

Hold time of MBRQ valid after MBCLK1 low, bus resume

0

ns

83

Setup time of MBGR high before MBCLK1 rising edge, bus resume

29

ns