Power Consumption
CPU Clock Speed
Parameter
Condition
150 MHz
200 MHz
210 MHz
225 MHz
Typ1 Max2 Typ1 Max2 Typ1 Max2 Typ1 Max2
VccInt
Power
(mWatts)
Standby
Active
No SysAD bus activity
R4000 write protocol with no
FPU operation
(integer Instruction only)
2200
500
4400
2700
Write re-issue or pipelined
writes with superscalar
(integer and floating point
instructions)
2550 5100 3150
Note 1: Typical integer instruction mix and cache miss rates with worst case supply voltage.
Note 2: Worst case instruction mix with worst case supply voltage.
Note: I/O supply power is application dependant, but typically <10% of VccInt.
1000
5400
6300
2800
3300
1500
5600
6600
3800
4250
2000
7600
8500
AC Electrical Characteristics – Clock Parameters
Parameter
Symbol
Test
Condition
CPU Clock Speed
150 MHz 200 MHz 210 MHz 225 MHz Units
Min Max Min Max Min Max Min Max
SysClock High
tSCHIGH Transition < 5ns 3
3
3
3
ns
SysClock Low
tSCLOW Transition < 5ns 3
3
3
3
ns
SysClock Frequency
SysClock Period
tSCP
Clock Jitter for SysClock tJITTERIN
SysClock Rise Time
tSCRISE
SysClock Fall Time
tSCFALL
ModeClock Period
tMODECKP
JTAG Clock Period
tJTAGCKP
25 75 25 75 25 70 25 75 MHz
40
40
40
40 ns
±200
±200
±150
±150 ps
2
2
2
2
ns
2
2
2
2
ns
256
256
256
256 tSCP
4
4
4
4
tSCP
Note: Operation of the ACT 7000 is only guaranteed with the Phase Lock Loop enabled
Aeroflex Circuit Technology
19
SCD7000SC REV B 7/30/01 Plainview NY (516) 694-6700