VN16118
Table 3. Guaranteed Operating Rates
T
A
= 0
o
C to +70
o
C, V
CC
= 3.15 V to 3.45 V
Preliminary
Parallel Clock Rate (MHz)
Min.
Max.
124.0
126.0
Serial Baud Rate (Mbaud)
Min.
Max.
1240
1260
Table 4. AC Electrical Characteristics
T
A
= 0°C to +70°C, V
CC
= 3.15 V to 3.45 V
Symbol
t
r,REFCLK
t
f,REFCLK
t
r,TTLin
t
f,TTLin
t
r,TTLout
t
f,TTLout
t
rs,HS_OUT
t
fs,HS_OUT
t
rd,HS_OUT
t
fd,HS_OUT
V
IP,HS_IN
V
OP,HS_OUT (1)
Parameter
REFCLK Rise Time, 0.8 to 2.0 Volts
REFCLK Fall Time, 2.0 to 0.8 Volts
Input TTL Rise Time, 0.8 to 2.0 Volts
Input TTL Fall Time, 2.0 to 0.8 Volts
Output TTL Rise Time, 0.8 to 2.0 Volts, 10 pF Load
Output TTL Fall Time, 2.0 to 0.8 Volts, 10 pF Load
HS_OUT Single-Ended (DOUT+) Rise Time
HS_OUT Single-Ended (DOUT+) Fall Time
HS_OUT Differential Rise Time
HS_OUT Differential Fall Time
HS_IN Input Peak-to-Peak Differential Voltage
HS_OUT Output Peal-to-Peak Differential Voltage
Min.
Typ.
Max
.
2.4
2.4
Unit
nsec
nsec
nsec
nsec
2
2
1.5
1.1
85
85
85
85
200
1200
1200
1600
225
200
2.4
2.4
327
327
327
327
2000
2000
nsec
nsec
psec
psec
psec
psec
mV
mV
Note:
1. Output Peak-to-Peak Differential Voltage specified as DOUT+ minus DOUT-
Table 5. DC Electrical Characteristics
T
A
= 0°C to +70°C, V
CC
= 3.15 V to 3.45 V
Symbol
V
IH,TTL
V
IL,TTL
V
OH,TTL
V
OL,TTL
I
IH,TTL
I
IL,TTL
I
CC,TRX[1,2]
Parameter
TTL Input High Voltage Level, Guaranteed High Signal
for All Inputs
TTL Input Low Voltage Level, Guaranteed Low Signal for
All Inputs
TTL Output High Voltage Level, I
OH
= -400
µA
TTL Output Low Voltage Level, I
OL
= 1 mA
Input High Current, V
IN
= 2.4 V, V
CC
= 3.45 V
Input Low Current, V
IN
= 0.4 V, V
CC
= 3.45 V
Transceiver V
CC
Supply Current, TA = 25°C
Min.
2
0
2.2
0
Typ.
Max
.
5.5
0.8
V
CC
0.6
40
-600
Unit
V
V
V
V
µA
µA
mA
220
Notes:
1. Measurement Conditions: Tested sending 1250 MBd PRBS 2
7
-1 sequence from a serial Bit Error Rate
Tester (BERT) with DOUT± outputs terminated with 150
Ω
resistors to GND.
2. Typical values are at Vcc = 3.3 volts.
1999-12-15
Page 7
MDSN-0001-00
Vaishali Semiconductor
l
747 Camden Avenue
l
Campbell
l
CA 95008
l
Ph. 408.379.2900
l
Fax 408.379.2937
VAISH [ VAISHALI SEMICONDUCTOR ]
