8T49N285 Datasheet, PDF (42/65 Pages) Integrated Circuit Systems – Open-drain Interrupt pin

8T49N285 DATA SHEET
T1a.8bVle±151%A.(1T.y8pVicoanllyRMsuSpPphoratseedJfoitrteLrV(CSMynOthSeosuiztepruMtso),dTe_A),=V-_{C4C0°=C3t.3oV85±°5C%1,}o₂r_,
2.5V
3
±5%,
V_CCOx
=
3.3V
±5%,
2.5V
±5%
or
Symbol Parameter
Test Conditions
LVPECL LVDS HCSL LVCMOS⁴ Units
f_OUT = 122.88MHz,
Integration Range: 12kHz - 20MHz⁵
279
285
277
286
fs
Q0, Q1
f_OUT = 156.25MHz,
Integration Range: 12kHz - 20MHz⁶
270
262
263
270
fs
tjit()
RMS Phase Jitter
(Random)
Q2, Q3 Integer⁵
f_OUT = 622.08MHz,
Integration Range: 12kHz - 20MHz⁷
f_OUT = 122.88MHz,
Integration Range: 12kHz - 20MHz
291
264
263
N/A⁸
fs
309
310
303
317
fs
Q2, Q3 Fractional⁹
f_OUT = 122.88MHz,
Integration Range: 12kHz - 20MHz
266
266
257
263
fs
Q4, Q5, Q6, Q7⁵
f_OUT = 122.88MHz,
Integration Range: 12kHz - 20MHz
298
301
292
300
fs
NOTE 1: V_CCOx denotes V_CCO0, V_CCO1, V_CCO2, V_CCO3, V_CCO4, V_CCO5, V_CCO6, V_CCO7.
NOTE 2: Fox part numbers: 277LF-40-18 and 277LF-38.88-2 used for 40MHz and 38.88MHz crystals, respectively.
NOTE 3: All outputs configured for the specific output type, as shown in the table.
NOTE 4: Qx and nQx are 180° out of phase.
NOTE 5: Characterized with 8T49N285-901.
NOTE 6: Characterized with 8T49N285-902.
NOTE 7: Characterized with 8T49N285-903.
NOTE 8: This frequency is not supported for LVCMOS operation.
NOTE 9: Characterized with 8T49N285-900.
Table 11B. Typical RMS Phase Jitter (Jitter Attenuator Mode), V_CC = 3.3V ±5% or 2.5V ±5%, V_CCOx = 3.3V ±5%, 2.5V ±5%
or 1.8V ±5% (1.8V only supported for LVCMOS outputs), T_A = -40°C to 85°C^{1, 2, 3, 4}
Symbol Parameter
Test Conditions
LVPECL LVDS HCSL LVCMOS⁵ Units
f_OUT = 122.88MHz,
Integration Range: 12kHz - 20MHz⁶
279
285
276
276
fs
Q0, Q1
f_OUT = 156.25MHz,
Integration Range: 12kHz - 20MHz⁷
259
262
254
266
fs
RMS 
tjit()
Phase Jitter
(Random)
Q2, Q3 Integer⁶
f_OUT = 622.08MHz,
Integration Range: 12kHz - 20MHz⁸
f_OUT = 122.88MHz,
Integration Range: 12kHz - 20MHz
216
195
194
N/A⁹
fs
311
310
303
306
fs
Q2, Q3 Fractional¹⁰
f_OUT = 122.88MHz,
Integration Range: 12kHz - 20MHz
269
269
261
266
fs
Q4, Q5, Q6, Q7⁶
f_OUT = 122.88MHz,
Integration Range: 12kHz - 20MHz
298
302
291
288
fs
NOTE 1: V_CCOx denotes V_CCO0, V_CCO1, V_CCO2, V_CCO3, V_CCO4, V_CCO5, V_CCO6, V_CCO7.
NOTE 2: Measured using a Rohde & Schwarz SMA100A as the input source.
NOTE 3: Fox part numbers: 277LF-40-18 and 277LF-38.88-2 used for 40MHz and 38.88MHz crystals, respectively.
NOTE 4: All outputs configured for the specific output type, as shown in the table.
NOTE 5: Qx and nQx are 180° out of phase.
NOTE 6: Characterized with 8T49N285-905.
NOTE 7: Characterized with 8T49N285-906.
NOTE 8: Characterized with 8T49N285-907.
NOTE 9: This frequency is not supported for LVCMOS operation.
NOTE 10: Characterized with 8T49N285-904.
FEMTOCLOCK^® NG OCTAL UNIVERSAL FREQUENCY TRANSLATOR
42
REVISION 3 06/29/15