IDT
®
Embedded 64-Pin Industrial Temperature Range CK505 Compatible Clock 1613C—02/08/12
ICS9ERS3165
Embedded 64-Pin Industrial Temperature Range CK505 Compatible Clock
11
Electrical Characteristics - SMBus Interface
PARAMETER SYMBOL CONDITIONS MIN MAX UNITS Notes
SMBus Voltage V
2.7 5.5 V 1
Low-level Output Voltage V
0.4 V 1
Current sinking at
V
= 0.4 V
I
PULLUP
SMB Data Pin 4 mA 1
SCLK/SDATA
Clock/Data Rise Time
T
RI2C
(Max VIL - 0.15) to
(Min VIH + 0.15)
1000 ns 1
SCLK/SDATA
Clock/Data Fall Time
T
FI2C
(Min VIH + 0.15) to
(Max VIL - 0.15)
300 ns 1
Maximum SMBus Operating
Frequency
F
SMBUS
Block Mode 100 kHz 1
AC Electrical Characteristics - Input/Common Parameters
PARAMETER SYMBOL CONDITIONS MIN MAX UNITS Notes
Clk Stabilization T
STAB
From VDD Power-Up or de-
assertion of PD# to 1st clock
1.8 ms 1
Tdrive_SRC T
DRSRC
SRC output enable after
PCI_STOP# de-assertion
15 ns 1
Tdrive_PD# T
DRPD
Differential output enable after
PD# de-assertion
300 us 1
Tdrive_CPU T
DRSRC
CPU output enable after
CPU_STOP# de-assertion
10 ns 1
Tfall_PD#
T
5 ns 1
Fall/rise time of PD#, PCI_STOP#
and CPU_STOP# inputs
AC Electrical Characteristics - Low Power Differential Outputs
PARAMETER SYMBOL CONDITIONS MIN MAX UNITS NOTES
Rising Edge Slew Rate t
SLR
Differential Measurement 2.5 8 V/ns 1,2
Falling Edge Slew Rate t
Differential Measurement 2.5 8 V/ns 1,2
Slew Rate Variation t
Single-ended Measurement 20 % 1
Maximum Output Voltage V
HIGH
Includes overshoot 1150 mV 1
Minimum Output Voltage V
LOW
Includes undershoot -300 mV 1
Differential Voltage Swing V
SWING
Differential Measurement 300 mV 1
Crossing Point Voltage V
Single-ended Measurement 300 550 mV 1,3,4
Crossing Point Variation V
Single-ended Measurement 140 mV 1,3,5
Duty Cycle D
CYC
Differential Measurement 45 55 % 1
CPU Jitter - Cycle to Cycle CPUJ
C2C
Differential Measurement 85 ps 1
SRC0 Jitter - Cycle to Cycle SRCJ
C2C
Differential Measurement 125 ps 1
SRC[11:1] Jitter - Cycle to
Cycle
SRCJ
C2C
Differential Measurement 85 ps 1
SATA Jitter - Cycle to Cycle SATAJ
C2C
Differential Measurement 125 ps 1
DOT Jitter - Cycle to Cycle DOTJ
Differential Measurement 250 ps 1
CPU[1:0] Skew CPU
Differential Measurement 100 ps 1
CPU[2_ITP:0] Skew CPU
SKEW20
Differential Measurement 150 ps 1
SRC[11,7,4,2,0] Skew
SRC
Differential Measurement ps 1
SRC[10,9,8,6,3] Skew SRC
SKEW
Differential Measurement 3 ns 1
0 nominal