4
Precision Edge
SY89250V
Micrel, Inc.
M9999-052505
hbwhelp@micrel.com or (408) 955-1690
V
EE = VEE(min) to VEE(max); VCC = GND; TA = –40°C to +85°C; unless otherwise stated.
Symbol
Parameter
Condition
Min
Typ
Max
Units
tpd
Propagation Delay to:
Q, /Q Output
D (Diff)
380
ps
D (SE)
430
ps
QHG, /QHG Output
D (Diff)
730
ps
D (SE)
780
ps
tS
Set-Up Time
/EN
150
ps
tH
Hold Time
/EN
150
ps
tSKEW
Duty Cycle Skew
(Diff)
Note 5
5
20
ps
VPP
Minimum Input Swing
/EN
Note 6
150
mV
VCMR
Common Mode Range
/EN
Note 7
–1.3
–0.4
V
tr, tf
Output Q Rise/Fall Times
At full output swing
100
225
350
ps
(20% to 80%)
Notes:
5. Duty cycle skew is the difference between a t
pd propagation delay through a device.
6. Minimum input swing for which AC parameters are guaranteed. The device has a DC gain of
≈ 40 to Q, /Q outputs and a DC gain of ≈ 200 or higher
to /Q
HG, QHG outputs.
7. The CMR range is referenced to the most positive side of the differential input signal. Normal operation is obtained if the HIGH level falls within the
specified range and the peak-to-peak voltage lies between V
PP(min) and 1V. The lower end of the CMR range varies 1:1 with VEE. The numbers in
the spec table assume a nominal V
EE = –3.3V. Note for PECL operation, the VCMR(min) will be fixed at 3.3V – |VCMR(min)|.
AC ELECTRICAL CHARACTERISTICS
TIMING DIAGRAM
D
Q
QHG
/EN
tS
tH