ICS9214 Datasheet, PDF (8/16 Pages) Integrated Circuit Systems – Rambus XDR Clock Generator

Integrated
Circuit
Systems, Inc.
ICS9214
DC Characteristics - Outputs
TA = 0°C to +85°C; Supply Voltage AVDD2.5, VDD2.5 = 2.5 V +/- 0.125V (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
Power up latency
t_PU
Power within spec to
outputs within spec
3
SMBus or Mode Select
State transition latency¹
t_CO
transition to outputs valid
3
and within spec
Differential output
crossing voltage
V_OX
Measured as shown in Fig.
3
0.9
1.1
Output Voltage Swing
Measured as shown in Fig.
(peak-to-peak singled
ended)
V_COS
Absolute output low voltage _VOLABS
Reference Voltage for
swing control current
V_ISET
3. Excludes over and
undershoot.
Measured at ODCLK_T/C
pins
V_DD = 2.3V, V_OUT = 1V
300
0.85
0.98
350
1.02
Ratio of output low
current to reference
current at typical V_DD2.5
I_OL/I_REF
I_REF is equal to V_ISET/R_RC.
Tolerance of R_RC <=+/-1%.
6.8
7
7.2
Minimum current at
Measured at ODCLK_T/C
V_OLABS
I_OLABS pins with termination per
45
Figure 3.
-
Low-level output voltage
SMBus
V_OLSMB
I_OL = 4 mA
-
0.4
Low-level output current
SMBus
I_OLSMB
V_OL= 0.8 V
6
-
Tristate output current
I_OZ Differential clock output pins
-
50
Notes:
There is no output latency or glitches if a value is written to an output register.
that is the same as its current contents.
UNITS
ms
ms
V
mV
V
V
-
mA
V
mA
µΑ
0809G—08/02/08
8