cy7b951 Cypress Semiconductor Corporation., cy7b951 Datasheet - Page 5

• Manufacturer Part Number: cy7b951
• Description: Local Area Network Atm Transceiver
• Manufacturer: Cypress Semiconductor Corporation.

Document Number: 38-02010 Rev. *A
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
Electrical Characteristics
Notes
V
V
I
I
V
V
I
I
I
Parameter
1. T
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
IHT
ILT
OST
IHE
ILE
TTL Compatible Input Pins (LOOP, REFCLK+, REFCLK–)
TTL Compatible Output Pins (LFI)
ECL Compatible Input Pins (REFCLK ± CD, TSER±, RIN±)
IHT
ILT
OHT
OLT
[3]
A
is the “instant on” case temperature.
Input HIGH Voltage
Input LOW Voltage
Input HIGH Current
Input LOW Current
Output HIGH Voltage
Output LOW Voltage
Output Short Circuit Current
ECL Input HIGH Current REFCLK/CD
ECL Input LOW Current REFCLK/CD
Figure 2. CY7B951 to PMC-Sierra PM5345 SUNI Connection Diagram
Description
Over the Operating Range
REFCLK
LOOP
REFCLK
LOOP
TSER/RIN
TSER/RIN
CC
/2.
V
V
V
V
I
I
V
V
V
V
V
Static Discharge Voltage............................................ >2001V
(per MIL-STD-883, Method 3015)
Latch-Up Current ..................................................... >200 mA
Operating Range
OH
OL
Commercial
Industrial
IN
IN
IN
IN
OUT
IN
IN
IN
IN
Test Condition
= 4 mA
= V
= V
= 0.0V
= 0.0V
= –2 mA
= V
= V
= V
= V
Range
= 0V
CC
CC
IHE(MAX)
IHE(MAX)
ILE(MAX)
ILE(MAX)
[2]
Temperature
–40°C to +85°C
0°C to 70°C
Ambient
–500
–200
Min.
–0.5
+0.5
+0.5
–10
–50
–15
2.0
2.4
[1]
+200
+250
+750
Max.
V
0.45
+10
+50
–90
0.8
CC
5V ± 10%
5V ± 10%
CY7B951
V
Page 5 of 10
CC
Unit
mA
µA
µA
µA
µA
µA
µA
µA
µA
V
V
V
v
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