Dc electrical characteristics cpu/cpu# clock – Renesas HD151TS207SS User Manual

Page 29

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HD151TS207SS

Rev.1.00, Apr.25.2003, page 29 of 38

DC Electrical Characteristics CPU/CPU# Clock

Ta = 0°C to 70°C, VDD = 3.3 V, Iref = 475

Item

Symbol

Min

Typ *

1

Max

Unit

Test Conditions

Output voltage

V

O

1.20

V

Rp = 49.9

, VDD = 3.3 V

Output Current

I

O

I(nom) *

2

mA

VDD = 3.3 V

Output resistance

3000

V

O

= 1.2 V

Notes: 1. For conditions shown as Min or Max, use the appropriate value specified under recommended

operating conditionaI (nom) is output current(Ioh) shown in below.

2. Ioh = VDD/(3Rr) = 3.3/(3x475) = 2.32 mA,

Ioh x6 = 13.89 mA (Voh @Z: 0.695 V @50

),

Ioh x2 = 4.63 mA (Voh @Z: 0.232 V @50

)

AC Electrical Characteristics CPU/CPU# Clock (CPU at 0.7V Timing)

Ta = 0°C to 70°C, VDD = 3.3 V, C

L

= 2 pF, Rs = 33.2

, Rp = 49.9

Item

Symbol

Min

Typ

Max

Unit

Test Conditions

Notes

Cycle to cycle jitter

t

CCS

|125|

ps

Note1

CPU Group Skew
(CPU clock out to
CPU clock out)

t

skS

|100|

ps

Rise time

t

r

175

700

ps

V

O

= 0.175 V

to 0.525 V

200MHz

Fall time

t

f

175

700

ps

V

O

= 0.175 V

to 0.525 V

200MHz

Clock Duty Cycle

45

50

55

%

200MHz

CPU clock period(100)

9.99

ns

CPU clock period(133)

7.49

ns

CPU clock period(166)

5.99

ns

CPU clock period(200)

4.99

ns

Cross point(0.7V) voltage

Vcross

0.25

0.55

V

200MHz

Note:

1. Difference of cycle time between two adjoining cycles.

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