Datasheet

Electrical Characteristics
MOTOROLA MCF5206e USER’S MANUAL 17-7
17.3.5 Processor Bus Output Timing Specifications
Table 17-8. Processor Bus Output Timing Specifications
NAME CHARACTERISTIC*
* Output timing is measured at the pin. Output specifications assume a capacitive load of 50pF.
40 MHz 54 MHz
UNIT
MIN MAX MIN MAX
CONTROL OUTPUTS
B7a CLK to TS
Valid (signal from driven or three-state) 3 20 3 15 ns
B7b CLK to TA Valid (signal from driven or three-state) 3 19 3 14 ns
B7c CLK (falling) to RAS[1:0] Valid 3 16.5 3 14 ns
B7d CLK (falling) to CAS
[3:0] Valid 3 16.5 3 14 ns
B7e CLK to DRAMW Valid 3 19 3 14 ns
B7f CLK to BR, BD Valid 3 21 3 15.5 ns
B7g CLK to RSTO
Valid 3 18.5 3 15.5 ns
B7h CLK to PST[3:0], DDATA[3:0], DSO Valid 3 19.5 3 17 ns
B8a
CLK to Control Output (TS
, TA, BR, BD, RAS[1:0], DRAMW,
PST[3:0], DDATA[3:0], DSO, RSTO
) Invalid (Output Hold)
3–3–ns
B8b CLK (rising or falling) to CAS[3:0] Invalid (Output Hold) 3 – 3 – ns
B9 CLK to Control Output (TS
, TA) High Impedance – 22.5 – 17 ns
ADDRESS AND ATTRIBUTE OUTPUTS
B10a
CLK to Address or Attribute Output (A[27:0], TT[1:0], ATM],
CS
[7:4], WE[3:0]) Valid (signal from driven or three-state)
319316ns
B10b CLK to SIZ[1:0] Valid (signal from driven or three-state) 3 19.5 3 16.5 ns
B10c CLK to R/W
Valid (signal from driven or three-state) 3 18.5 3 15.5 ns
B10d
CLK to Attribute Output (CS[3:0]) Valid (signal from driven or
three-state)
3 20.5 3 17.5 ns
B11
CLK to Address or Attribute Output (A[27:0], TT[1:0], ATM,
SIZ[1:0], R/W
, CS[7:0], WE[3:0]) Invalid (Output Hold)
3–3–ns
B12a
CLK to Address or Attribute Output (A[27:0], TT[1:0], ATM,
CS
[7:4], WE[3:0]) High Impedance
– 19.5 – 16.5 ns
B12b CLK to SIZ[1:0] High Impedance – 20 – 17 ns
B12c CLK to R/W High Impedance – 20 – 17 ns
B12d CLK to Attribute Output (CS
[3:0]) High Impedance – 18.5 – 15.5 ns
DATA OUTPUTS
B13
CLK to Data Output (D[31:0]) Valid (signal from driven or three-
state)
321317ns
B14 CLK to Data Output (D[31:0]) Invalid (Output Hold) 3 – 3 – ns
B15 CLK to Data Output (D[31:0]) High Impedance – 20 – 15 ns
OTHER OUTPUTS
B16 HIZ
to output tristated (HIZ asserted) 3 20 3 15 ns
B17 HIZ
to output driven valid (HIZ negated) 3 48 3 36 ns
Fr
eescale S
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Freescale Semiconductor, Inc.
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