September 2006
PCS2P5T915A
rev 0.2
Power Supply Characteristics for 1.8V LVTTL Outputs1
Symbol
Parameter
Test Conditions2
Typ
Max
Unit
Quiescent VDD Power
Supply Current
VDDQ= Max., Reference Clock = LOW3
Outputs enabled, All outputs unloaded
VDDQ= Max., Reference Clock = LOW3
Outputs enabled, All outputs unloaded
IDDQ
20
30
mA
Quiescent VDDQ Power
Supply Current
IDDQQ
IDDD
0.1
20
55
0.3
40
80
mA
Dynamic VDD Power Supply
Current per Output
V
DD= Max., VDDQ= Max., CL= 0pF
µA/MHz
µA/MHz
Dynamic VDDQ Power
Supply Current per Output
IDDDQ
VDD= Max., VDDQ= Max., CL= 0pF
VDDQ= 1.8V., FREFERENCE CLOCK= 100MHz, CL= 15pF
25
40
40
60
Total Power VDD Supply
Current
ITOT
mA
VDDQ= 1.8V., FREFERENCE CLOCK= 200MHz, CL= 15pF
VDDQ= 1.8V., FREFERENCE CLOCK= 100MHz, CL= 15pF
VDDQ= 1.8V., FREFERENCE CLOCK= 200MHz, CL= 15pF
50
120
100
240
Total Power VDDQ Supply
Current
ITOTQ
mA
Notes: 1. These power consumption characteristics are for all the valid input interfaces and cover the worst case input and output interface combinations.
2. The termination resistors are excluded from these measurements.
3. If the differential input interface is used, the true input is held LOW and the complementary input is held HIGH.
Differential Input AC Test Conditions for 1.8V LVTTL
Symbol
VDIF
Parameter
Value
Units
V
Input Signal Swing1
VDDI
VX
Differential Input Signal Crossing Point2
Input Timing Measurement Reference Level3
Input Signal Edge Rate4
VDDI /2
Crossing Point
1.8
mV
V
VTHI
tR, tF
V/nS
Notes:1. VDDI is the nominal 1.8V supply (1.8V ± 0.15V) of the part or source driving the input. A nominal 1.8V peak-to-peak input pulse level is specified to
allow consistent, repeatable results in an automatic test equipment (ATE) environment. Compliant devices must meet the VDIF (AC) specification under
actual use conditions.
2. A nominal 900mV crossing point level is specified to allow consistent, repeatable results in an automatic test equipment (ATE) environment. Compliant
devices must meet the VX specification under actual use conditions.
3. In all cases, input waveform timing is marked at the differential cross-point of the input signals.
4. The input signal edge rate of 1.8V/nS or greater is to be maintained in the 20% to 80% range of the input waveform.
Single-ended Input AC Test Conditions for 1.8V LVTTL
Symbol
VIH
Parameter
Value
VDDI
0
Units
V
Input HIGH Voltage1
Input LOW Voltage
VIL
V
VTHI
Input Timing Measurement Reference Level2
Input Signal Edge Rate3
VDDI/2
2
mV
V/nS
tR, tF
Notes: 1. VDDI is the nominal 1.8V supply (1.8V ± 0.15V) of the part or source driving the input.
2. A nominal 900mV timing measurement reference level is specified to allow constant, repeatable results in an automatic test equipment (ATE)
environment.
3. The input signal edge rate of 2V/nS or greater is to be maintained in the 10% to 90% range of the input waveform.
Low Voltage (2.5V) High Accuracy 1:5 Clock Fan-Out Buffer
12 of 23
Notice: The information in this document is subject to change without notice.
PULSECORE [ PulseCore Semiconductor ]
