CY7B951
Figure 2. CY7B951 to PMC-Sierra PM5345 SUNI Connection Diagram
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Storage Temperature
...................................... −65°C
to +150°C
Ambient Temperature with
Power Applied.................................................
−55°C
to +125°C
Supply Voltage to Ground Potential
.................−0.5V
to +7.0V
DC Input Voltage
.................................................−0.5V
to +7.0V
Output Current into TTL Outputs (LOW) ......................30 mA
Output Current into ECL Outputs (HIGH).....................−50 mA
Static Discharge Voltage............................................ >2001V
(per MIL-STD-883, Method 3015)
Latch-Up Current ..................................................... >200 mA
Operating Range
Range
Commercial
Industrial
Ambient
Temperature
0°C to 70°C
–40°C to +85°C
V
CC
5V ± 10%
5V ± 10%
Electrical Characteristics
Over the Operating Range
Parameter
V
IHT
V
ILT
I
IHT
I
ILT
Description
Input HIGH Voltage
Input LOW Voltage
Input HIGH Current
Input LOW Current
REFCLK
LOOP
REFCLK
LOOP
TTL Compatible Output Pins (LFI)
V
OHT
V
OLT
I
OST
I
IHE
I
ILE[3]
Output HIGH Voltage
Output LOW Voltage
Output Short Circuit Current
ECL Input HIGH Current REFCLK/CD
TSER/RIN
ECL Input LOW Current REFCLK/CD
TSER/RIN
I
OH
= –2 mA
I
OL
= 4 mA
V
OUT
= 0V
V
IN
= V
IHE(MAX)
V
IN
= V
IHE(MAX)
V
IN
= V
ILE(MAX)
V
IN
= V
ILE(MAX)
+0.5
–200
–15
2.4
0.45
–90
+250
+750
v
V
mA
µA
µA
µA
µA
V
IN
= V
CC
V
IN
= V
CC
V
IN
= 0.0V
V
IN
= 0.0V
Test Condition
Min.
2.0
–0.5
+0.5
–10
–50
–500
Max.
V
CC
0.8
+200
+10
+50
Unit
V
V
µA
µA
µA
µA
TTL Compatible Input Pins (LOOP, REFCLK+, REFCLK–)
ECL Compatible Input Pins (REFCLK ± CD, TSER±, RIN±)
Notes
1. T
A
is the “instant on” case temperature.
2. Tested one output at a time, output shorted for less than one second, less than 10% duty cycle.
3. Input currents are always positive at all voltages above V
CC
/2.
Document Number: 38-02010 Rev. *A
Page 5 of 10
CYPRESS [ CYPRESS SEMICONDUCTOR ]
