UT699CPC datasheet(20/41 Pages) AEROFLEX

Part #	UT699CPC

Description	UT699 32-bit Fault-Tolerant SPARCTM V8/LEON 3FT Processor

PDF	41 Pages

Scroll/Zoom	100%

Manufacturer	AEROFLEX [Aeroflex Circuit Technology]

Direct Link	http://www.aeroflex.com

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3.6 AC Electrical Characteristics for LVCMOS3 Inputs and Outputs (pre- and post-radiation)

(VDD = 3.3V + 0.3V; VDDC = 2.5V + 0.2V; TC = -40

oC to 105oC)

Notes:

1. Tested as shown in Figure 14.

2. Supplied as a design limit. Neither guaranteed nor tested.

Figure 2. System Clock and SDCLK Timing Diagram

Symbol

Description

Conditions

Min

Max

Units

fCLK

System clock frequency

MHz

tHIGH

System clock high time

6.67

tLOW

System clock low time

6.67

tDSD

System clock to SDRAM

clock propagation delay

tRSD

SDRAM clock rise time

fCLK = 66MHz

VO transitioning between

VOH (min) and VOL

(max)

tFSD

SDRAM clock fall time

fCLK = 66MHz

VO transitioning between

VOH (min) and VOL

(max)

tJCCSD

SDRAM clock cycle-cycle

jitter

fCLK = 66MHz

500

tDSD

1/fCLK

tLOW

tHIGH

1/f

SYSCLK

SDCLK

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