Tektronix MTX100A, User Manual

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Appendix A: Specifications
A-6
MTX100A MPEG Recorder & Player User Manual
Table A-4: Universal parallel/serial interface (Option 02)
Characteristics Description
Parallel interface mode
Connector type D-sub, 25 pin (uses a common connector with the Serial interface.)
Data rate 256 Kbps to 214 Mbps
Pin assignment 1 DCLK
2 GND
3 to 10 DATA 7 to DATA 0
11 DVALID
12 PSYNC
13 Shield
14 DCLK
15 GND
16 to 23 DATA 7 to DATA 0
24 DVALID
25 PSYNC
Output level, typical Note: Do not connect the Asserted Low pins for single-end use.
TTL without termination LO: 0V
HI: 3.3 V
LVDS without termination 0.66 Vp-p to 1.1 Vp-p (amplitude)
1.1 V to 1.5 V (offset)
ECL without termination LO: -2.1 V
HI: -0.5 V
Output impedance, typical 50
Ω ±
5% (per pin, single-end)
Output resistance, typical
≥
1 k
Ω
(when the output is off, per pin, single-end)
Data delay, typical 0
±
5 ns from the falling or rising edge of DCLK (see Figure A-1 on page A-10)
Single-end input level, typical
TTL with termination LO: 0.0 V to 0.5 V
HI: 1.2 V to 5.0 V
ECL with termination LO: -5.2 V to -1.05 V
HI: -0.25 V to 0.0 V
Differential input level, typical 0.4 V to 1.0 Vp-p (bpin and -pin without termination)
0.2 V to 1.0 Vp-p (bpin and -pin with termination)
Input resistance, typical 50
Ω ±
5% (Single End Termination: ON)
110
Ω ±
5% (Differential Termination: ON)
≥
1 k
Ω
to GND (Termination: OFF)
Clock pulse width, typical T/2
±
T/10, T=1/f (f=byte clock frequency) (see Figure A-1 on page A-10)
Data hold time, typical T/2
±
T/10, T=1/f (f=byte clock frequency: Data are latched on DCLK rising or falling edge.)
(see Figure A-1 on page A-10)
Serial interface mode
Connector type D-sub, 25 pin (uses a common connector with the Parallel interface.)
Data rate 256 Kbps to 40 Mbps