9FGP204 Datasheet, PDF (9/18 Pages) Integrated Device Technology – Frequency Timing Generator for Peripherals

9FGP204
Frequency Timing Generator for Peripherals
Electrical Characteristics - DOT96SS 0.7V Current Mode Differential Pair
PARAMETER
SYMBOL
CONDITIONS*
MIN
TYP
MAX UNITS Notes
Current Source Output
Impedance
Zo
V_O = V_x
3000
Ω
1
Voltage High
VHigh Statistical measurement on single 660
725
850
mV
1,3
Voltage Low
VLow
ended signal
-150
51
150
mV
1,3
Max Voltage
Min Voltage
Vovs
Measurement on single ended
764
1150 mV
1
Vuds
signal using absolute value.
-300
5
mV
1
Crossing Voltage (abs)
Vx(abs)
250
372
Crossing Voltage (var)
d-Vcross
Variation of crossing over all
edges
Long Accuracy
ppm
see Tperiod min-max values
-100
-41
550
mV
1
140
mV
1
100
ppm
1,2
Average period
Tperiod
96.00MHz nominal
10.4156 10.4166 10.4176 ns
2
96.00MHz -0.5% spread
10.4417 10.4427 10.4437 ns
2
Absolute min period
Tabsmin 96.00MHz nominal/-0.5% spread 10.1917
10.6937 ns
1,2
Rise Time
t_r
V_OL = 0.175V, V_OH = 0.525V
175
361
700
ps
1,4
Fall Time
t_f
V_OH = 0.525V V_OL = 0.175V
175
375
700
ps
1,4
Rise Time Variation
d-t_r
V_OL = 0.175V, V_OH = 0.525V
107
125
ps
1
Fall Time Variation
Rise/Fall Matching
d-t_f
V_OH = 0.525V V_OL = 0.175V
t_RFM
Single-ended measurement,
averaging on
107
125
ps
1
15
20
%
1
Slew Rate
t_SLEW
Differential Measurment
1
Duty Cycle
d_t3
Measurement from differential
wavefrom
45
Jitter, Cycle to cycle
t_jcyc-cyc
Measurement from differential
wavefrom
*T_A = 0 - 70°C; V_DD = 3.3 V +/-5%; C_L =2pF, R_S=33.2Ω, R_P=49.9Ω, I_REF = 475Ω
1_{Guaranteed by design and characterization, not 100% tested in production.}
2
4
V/ns 1,5
51.3
55
%
1
54
250
ps
1
2 _{All Long Term Accuracy and Clock Period specifications are guaranteed assuming that 25MHz_x is tuned to exactly 25.000MHz}
3_{IREF = VDD/(3xRR). For RR = 475Ω (1%), IREF = 2.32mA. IOH = 6 x IREF and VOH = 0.7V @ ZO=50Ω.}
4 _{Rise/fall time measured on single-ended waveform per CK410 specification.}
5 _{Slew rate measured on differential waveform per CK505 specification.}
Electrical Characteristics - REF - 25MHz
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS Notes
Long Accuracy
ppm
see Tperiod min-max values
-50
0
50
ppm 1,2
Clock period
Output High Voltage
T_period
V_OH
25.00MHz output nominal
39.998 40.000 40.002 ns
2
I_OH = -1 mA
2.4
V
1
Output Low Voltage
V_OL
I_OL = 1 mA
0.4
V
1
Output High Current
I_OH
V _OH @MIN = 1.0 V
-29
V_OH@MAX = 3.135 V
mA
1
-23
mA
1
Output Low Current
I_OL
V_OL @ MIN = 1.95 V
29
V_OL @ MAX = 0.4 V
mA
1
27
mA
1
Rise Time
t_r1
V_OL = 0.4 V, V_OH = 2.4 V
1
1.14
2
ns
1
Fall Time
t_f1
V_OH = 2.4 V, V_OL = 0.4 V
1
1.32
2
ns
1
Skew
t_sk1
V_T = 1.5 V
16
500
ps
1
Duty Cycle
d_t1
V_T = 1.5 V
45
53.2
55
%
1
Jitter, Cycle-cycle
t_{j c y c -c y c}
V_T = 1.5 V
75
200
ps
1
*TA = 0 - 70°C; Supply Voltage VDD = 3.3 V +/-5%, CL = 5 pF with Rs as shown in the termination table (unless otherwise specified)
1_{Guaranteed by design and characterization, not 100% tested in production.}
2 _{All Long Term Accuracy and Clock Period specifications are guaranteed assuming that 25MHz_x is tuned to exactly 25.000MHz}
IDT^® Frequency Timing Generator for Peripherals
1604B—08/29/11
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