GC5337 datasheet(33/49 Pages) TI

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GC5330

GC5337

www.ti.com

SLWS226 B

– DECEMBER 2010 – REVISED JANUARY 2011

Table 13. General Switching Characteristics, RX BB LVDS Output

– DDR0

PARAMETER

TEST CONDITIONS

MIN

NOM

MAX

UNIT

BASEBAND INTERFACE DDR LVDS

fCLK(Byte)

Baseband output clock frequency

See(1)

384

MHz

fCLK(Nibble0)

384

MHz

fCLK(Nibble1)

500

MHz

fCLK(Serial)

384

MHz

tskmax(BB)Serial0

BBOUT3 Clk, BBOUT1:0 Data, BBOUT2

See(2)(3)

–60

Sync

tskmin(BB)Serial0

BBOUT3 Clk, BBOUT1:0 Data, BBOUT2

See(2)(3)(4)

400

Sync

tskmax(BB)Serial1

BBOUT3 Ck, BBOUT1:0 Data, BBOUT2

See(2)(3)

–130

Sync

tskmin(BB)Serial1

BBOUT3 Clk, BBOUT1:0 Data, BBOUT2

See(2)(3)(4)

500

Sync

tskmax(BB)Serial2

BBOUT7 Clk, BBOUT5:4 Data, BBOUT6

See(5)(6)

–45

Sync

tskmin(BB)Serial2

BBOUT7 Clk, BBOUT5:4 Data, BBOUT6

See(5)(6)(7)

425

Sync

tskmax(BB)Nibble0

BBOUT3 Clk, BBOUT5,4,1,0 Data, BBOUT2

See(5)(6)

Sync

tskmin(BB)Nibble0

BBOUT3 Clk, BBOUT5,4,1,0 Data, BBOUT2

See(5)(6)(7)

400

Sync

tskmax(BB)Nibble1

BBOUT7 Clk, BBOUT11:8 Data, BBOUT6

See(5)(6)

Sync

tskmin(BB)Nibble1

BBOUT7 Clk, BBOUT11:8 Data, BBOUT6

See(5)(6)(7)

460

Sync

tskmax(BB)Byte

BBOUT7 Clk, BBOUT11:8,5:4,2:0 Data,

See(5)(6)

BBOUT6 Sync

tskmin(BB)Byte

BBOUT7 Clk, BBOUT11:8,5:4,2:0 Data,

See(5)(6)(7)

480

BBOUT6 Sync

(1)

Chip specifications are production tested at 90

°C case temperature for the given specification. Early production lots are sample tested

–40°C.

(2)

Skew measured for RX BBOUT data and frame signals, relative to the BBclk signal at zero crossing. BBclk is measured at threshold

crossing. Lab measurement +signal

→ 50 Ω → Vcommon → 50 Ω → –signal. Vcommon has a 0.01-µF filter capacitor to GND.

Differential probe used for measurement.

(3)

The customer interface design modifies the trace lengths based on the desired receiver timing and clock delays.

(4)

tsu = –tskmax; thold = 1/4 BBclk period – tskmin.

(5)

Skew measured for RX BBOUT data and frame signals, relative to the BBclk signal at zero crossing. BBclk is measured at threshold

crossing. Lab measurement +signal

→ 50 Ω → Vcommon → 50 Ω → –signal. Vcommon has a 0.01-µF filter capacitor to GND.

Differential probe used for measurement.

(6)

The customer interface design modifies the trace lengths based on the desired receiver timing and clock delays.

(7)

tsu = –tskmax; thold = 1/4 BBclk period – tskmin.

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