CDC960 Datasheet, PDF (27/38 Pages) Texas Instruments – 200-MHz CLOCK SYNTHESIZER/DRIVER WITH SPREAD SPECTURM CAPABILITY AND DEVICE CONTROL INTERFACE

CDC960
200ĆMHz CLOCK SYNTHESIZER/DRIVER
WITH SPREAD SPECTRUM CAPABILITY AND DEVICE CONTROL INTERFACE
SCAS675 – APRIL 2002
switching characteristics, V_DD = 3.135 V to 3.465 V, T_A = 0°C to 70°C (continued)
REF, C_L = 20 pF, R_L = 500 Ω
PARAMETER
FROM
TO
(INPUT) (OUTPUT)
TEST CONDITIONS
MIN TYP^† MAX UNIT
tpd1
tpd2
tc
tjit(cc)
tjit(acc)
tjit(_∅)
odc
tsk(b)
tsk(p)
tw(H)
tw(L)
tr
Propagation delay time
Propagation delay time
REF clock period^†
Cycle to cycle jitter
Accumulated jitter
Phase jitter
Duty cycle
REF bank skew ↑ edges
REF pulse skew
Pulse duration width, high
Pulse duration width, low
Rise time
XIN
SCLK↑
REFx
REF
REF
REF
REFx
REF
f(XIN) ≥ 1 MHz, TEST MODE
TEST MODE
f(REF) = 14.318 MHz
f(CPU) = 100 to 200 MHz
f(CPU) = 100 to 200 MHz
f(CPU) = 100 to 200 MHz
f(REF) = 14.318 MHz
f(REF) = 14.318 MHz
f(REF) = 14.318 MHz
f(REF) = 14.318 MHz
f(REF) = 14.318 MHz
Vref = 20% to 80% of Vo
2
69.8
–200
45
2
27
32
1.1
2
10.0
18
69.84
250
200
300
55
500
5.8
2.7
0.7
ns
ns
ns
ps
ps
ps
%
ps
ps
ns
ns
ns
V/ns
tf
Fall time
1.1
Vref = 20% to 80% of Vo
2
2.7 ns
0.7 V/ns
vr
Edge rate rising edge (maintained during total transition)
Vref = 20% to 60% of VDD
0.25
vf
Edge rate falling edge (maintained during total transition)
0.25
† _{All typical values are measured at their nominal VDD values.}
‡ _{The average over any 1-µs period of time is greater than the minimum specified period}
1.1 V/ns
1.1 V/ns
SDATA, C_L = 10 pF to 400 pF, R_L = 1 kΩ
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TEST CONDITIONS
tPHL
tPLH
tPHL
Propagation delay time^‡
Propagation delay time^‡
Propagation delay time^‡
SCLK↓
SCLK↓
SCLK↓
Data acknnowledge See Figure 6
Data valid
See Figure 6
Data valid
See Figure 6
tf
Fall time
CL = 10 pF
CL = 400 pF
† _{All typical values are measured at their nominal VDD values.}
‡ _{This is a digital controlled delay. It equals to 6 REF clock cycles plus the internal gate delay (20 ns).}
MIN
0.375
0.375
0.375
TYP^†
86
115
MAX UNIT
2 µs
2 µs
2 µs
250
ns
250
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