HDMP-1638G (TRx) Absolute Maximum Ratings
T = 25°C, except as specified. Operation in excess of any one of these
A
conditions may result in permanent damage to this device.
Symbol
Parameter
Units
V
Min.
-0.5
-0.7
2.0
Max.
V
V
V
Supply Voltage
5.0
CC
TTL Input Voltage
HS_IN Input Voltage
TTL Output Source Current
Storage Temperature
Junction Temperature
V
V
V
+ 2.8
IN,TTL
IN,HS_IN
O,TTL
CC
CC
V
I
mA
°C
°C
13
T
T
-65
0
+150
+150
stg
j
HDMP-1638G (TRx) Guaranteed Operating Rates
T = 0°C to +70°C, V = 3.15 V to 3.45 V
A
CC
Parallel Clock Rate (MBd)
Serial Clock Rate (MBd)
Min.
Max.
Min.
Max.
124.0
126.0
1240
1260
HDMP-1638G (TRx) Transceiver Reference Clock Requirements
T = 0°C to +70°C, V = 3.15 V to 3.45 V
A
CC
Symbol
Parameter
Unit
MHz
ppm
%
Min.
Typ.
Max.
f
Nominal Frequency (for Gigabit Ethernet Compliance)
Frequency Tolerance
125
F
-100
40
+100
60
tol
Symm
Symmetry (Duty Cycle)
HDMP-1638G (TRx) DC Electrical Specifications
T = 0°C to +70°C, V = 3.15 V to 3.45 V
A
CC
Symbol
Parameter
Units
V
Min.
2
Typ.
Max.
5.5
V
V
V
V
I
TTL Input High Voltage Level, Guaranteed High Signal For All Inputs
TTL Input Low Voltage Level, Guaranteed Low Signal For All Inputs
IH,TTL
IL,TTL
V
0
0.8
TTL Output High Voltage Level, I = -400 μA
TTL Output Low Voltage Level, I = 1 mA
V
2.2
0
V
OH,TTL
OL,TTL
OH
CC
V
0.6
40
OL
Input High Current (Magnitude), V = 2.4 V, V = 3.45 V
μA
μA
ma
IH,TTL
IL,TTL
CC,TRx
IN
CC
I
I
Input Low Current (Magnitude), V = 0.4 V, V = 3.45 V
-600
IN
CC
[1,2]
Transceiver V Supply Current, T = 25°C
270
CC
A
Notes:
1. Measurement Conditions: Tested sending 1250 MBd PRBS 2^7-1 sequence from a serial BERT with both D
outputs biased with 150 Ω resistors.
OUT
2. Typical specified with V = 3.3 volts, maximum specified with V = 3.45 volts.
CC
CC
HDMP-1638G (TRx) PECL DC Electrical Specifications
T = 0°C to +70°C, V = 3.15 V to 3.45 V
A
CC
Symbol
Parameter
Units
Min. Typ.
2.14
Max.
2.42
1.82
V
V
PECL Input High Voltage Level
PECL Input Low Voltage Level
V
V
IH,PECL
IL,PECL
1.49
7
PMC-Sierra, Inc. - Not Recommended for New Designs
PMC [ PMC-SIERRA, INC ]
