TMS320C6745DPTP3 datasheet(104/227 Pages) TI1

104 / 227 page

TMS320C6745, TMS320C6747

SPRS377F – SEPTEMBER 2008 – REVISED JUNE 2014

www.ti.com

Table 6-28. EMIFB SDRAM Interface Switching Characteristics for Industrial, Extended, and Automotive

Temperature Ranges

CVDD = 1.3 V(1)

CVDD = 1.2V(2)

NO.

PARAMETER

MIN

MAX

MIN

MAX

tc(CLK)

Cycle time, EMIF clock EMB_CLK

6.579

7.5

tw(CLK)

Pulse width, EMIF clock EMB_CLK high or low

2.63

td(CLKH-CSV)

Delay time, EMB_CLK rising to EMB_CS[0] valid

4.25

5.1

toh(CLKH-CSIV)

Output hold time, EMB_CLK rising to EMB_CS[0] invalid

1.1

0.9

td(CLKH-DQMV)

Delay time, EMB_CLK rising to EMB_WE_DQM[3:0] valid

4.25

5.1

Output hold time, EMB_CLK rising to

toh(CLKH-DQMIV)

1.1

0.9

EMB_WE_DQM[3:0] invalid

Delay time, EMB_CLK rising to EMB_A[12:0] and

td(CLKH-AV)

4.25

5.1

EMB_BA[1:0] valid

Output hold time, EMB_CLK rising to EMB_A[12:0] and

toh(CLKH-AIV)

1.1

0.9

EMB_BA[1:0] invalid

td(CLKH-DV)

Delay time, EMB_CLK rising to EMB_D[31:0] valid

4.25

5.1

Output hold time, EMB_CLK rising to EMB_D[31:0]

toh(CLKH-DIV)

1.1

0.9

invalid

td(CLKH-RASV)

Delay time, EMB_CLK rising to EMB_RAS valid

4.25

5.1

toh(CLKH-RASIV)

Output hold time, EMB_CLK rising to EMB_RAS invalid

1.1

0.9

td(CLKH-CASV)

Delay time, EMB_CLK rising to EMB_CAS valid

4.25

5.1

toh(CLKH-CASIV)

Output hold time, EMB_CLK rising to EMB_CAS invalid

1.1

0.9

td(CLKH-WEV)

Delay time, EMB_CLK rising to EMB_WE valid

4.25

5.1

toh(CLKH-WEIV)

Output hold time, EMB_CLK rising to EMB_WE invalid

1.1

0.9

tdis(CLKH-DHZ)

Delay time, EMB_CLK rising to EMB_D[31:0] tri-stated

4.25

5.1

Output hold time, EMB_CLK rising to EMB_D[31:0]

t(CLKH-DLZ)

1.1

0.9

driving

(1)

Industrial temperature range rated devices for 456 MHz max CPU operating frequency as applicable to the device

(2)

Industrial, Extended and Automotive temperature range rated devices for 400/375/300/266/200 MHz max CPU operating frequencies as

applicable to the device

104

Peripheral Information and Electrical Specifications

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