UT7R995 datasheet(13/22 Pages) AEROFLEX

13 / 22 page

7.0 DC OUTPUT ELECTRICAL CHARACTERISTICS (Pre- and Post-Radiation)*

(VDDQn = +3.3V + 0.3V; VDD = +3.3V + 0.3V; TC = -55°C to +125°C) (For "W" screening, TC = -40°C to +125°C) (Note 1)

Notes: * Post-radiation performance guaranteed at 25

°C per MIL-STD-883 Method 1019, Condition A up to a TID level of 1.0E6 rad(Si).

1. Unless otherwise noted, these tests are performed with VDD and VDDQn at their minimum levels.

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

3. When measuring the dynamic supply current, all outputs are loaded in accordance with the equivalent test load defined in figure 10.

4. Capacitance is measured for initial qualification and when design changes may affect the input/output capacitance. Capacitance is measured between the designated

terminal and VSS at a frequency of 1MHz and a signal amplitude of 50mV rms maximum.

5. For the UT7R995, the 200MHz test condition is based on an XTAL1 frequency of 200MHz. For the UT7R995C, the 200MHz test condition is based on an XTAL1

frequency of 16.666667MHz, and a N-divider setting of 12.

6.To reduce power consumption for the device, the user may tie the unused VDDQn pins to VSS.

Symbol

Description

Conditions

Min.

Max.

Units

VOL

Output low voltage

IOL = 12mA (PE/HD = LOW or HIGH); (Pins: nQ[1:0])

0.4

IOL = 24mA (PE/HD = MID); (Pins: nQ[1:0])

0.4

IOL = 2mA (Pins: LOCK)

0.4

VOH

High-level output voltage

IOH = -12mA (PE/HD = LOW or HIGH); (Pins: nQ[1:0])

2.4

IOH = -24mA (PE/HD = MID); (Pins: nQ[1:0])

2.4

IOH = -2mA (Pins: LOCK)

2.4

IOSQn

Short-circuit output

current

VO = VDDQn or VSS; VDDQn = +3.6V; PE/HD = MID

-600

600

VO = VDDQn or VSS; VDDQn = +3.6V;

PE/HD = LOW or HIGH

-300

300

DDOP

3,5,6

Dynamic supply current

@200MHz (FS = HIGH); VDD = Max;

VDDQn = +3.6V; CL = 20pF/output

UT7R995

250

UT7R995C

360

@50MHz (FS = LOW); VDD = Max;

VDDQn = +3.6V; CL = 20pF/output

UT7R995

150

UT7R995C

160

COUT

Output pin capacitance

f = 1MHz @ 0V; VDD = Max; VDDQn = +3.6V

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