ICS2495 Datasheet, PDF (5/7 Pages) Integrated Circuit Systems – Dual Video/Memory Clock Generator

ICS2495
DC Characteristics at 5 Volts V_DD
SYMBOL
VDD
VIL
VIH
IIH
VOL
VOH
IDD
RUP
Cin
Cout
PARAMETER
Operating Voltage Range
Input Low Voltage
Input High Voltage
Input Leakage Current
Output Low Voltage: ^{VCLK, MCLK}
XTALOUT
Output High Voltage: ^{VCLK, MCLK}
XTALOUT
Supply Current
Internal Pullup Resistors
Input Pin Capacitance
Output Pin Capacitance
MIN
4.75
VSS
2.0
-
-
-
2.4
2.4
-
50
-
-
MAX
5.25
0.8
V DD
10
0.4
0.4
-
-
30
-
8
12
AC Timing Characteristics
The following notes apply to all of the parameters presented in this section.
1. REFCLK = 14.318 MHz
2. TC = 1/FC
3. All units are in nanoseconds (ns).
4. Maximum jitter within a range of 30 µs after triggering on a 400 MHz scope.
5. Rise and fall time between 0.8 and 2.0 VDC unless otherwise stated.
6. Output pin loading = 15pF.
7. Duty cycle measured at 1.4 volts.
UNITS
V
V
V
µA
V
V
V
V
mA
K ohms
pF
pF
CONDITIONS
VDD = 5V
VDD = 5V
Vin = VCC
IOL = 8.0 mA
IOL = 4.0 mA
IOH = 8.0 mA
IOH = 4.0 mA
VDD = 5V
VIN = 0.0V
FC = 1 MHz
FC = 1 MHz
SYMBOL
Tpw
Tsu
Thd
Tr
Tf
-
-
-
-
PARAMETER
MIN
STROBE TIMING
Strobe Pulse Width
20
Setup Time Data to Strobe
10
Hold Time Data to Strobe
10
MCLK and VCLK TIMINGS
Rise Time
-
Fall Time
-
Frequency Error
Maximum Frequency
Propagation Delay for Pass Through
-
Frequency
Output Enable to Tristate
(into and out of) time
MAX
-
-
-
2
2
0.5
135
20
15
NOTES
Duty Cycle 40% min. to
60% max.
%
MHz
ns
ns
5