Document #: 001-06385 Rev. *H Page 9 of 10
Document History Page
Document Title: CY2XP31 312.5 MHz LVPECL Clock Generator
Document Number: 001-06385
Revision ECN
Orig. of
Change
Submission
Date
Description of Change
** 422680 RGL See ECN New data sheet
*A 506198 RGL See ECN Supplied values in TBDs, Change status from Advance Information to
Preliminary
*B 1337067 JWK / KVM
/ARI
See ECN Changed VCC* to VDD*, VEE to VSS, Gave pins 1 and 8 the same name
(VDD),
Added MSL and CIN specifications, Removed pull up from pin 5,
Changed V
IL
, V
IH
, I
IH
, I
DD
, I
DDA
, V
OH
, V
OL
, t
R
and t
F
specifications,
Added commercial temperature, Changed supply filtering recommendations
Removed alternate termination figure, Cleaned up several drawings
Fixed cross references and edited data sheet for template compliance, Title
change
*C 2669117 KVM/
AESA
03/05/2009 Changed crystal frequency to 25 MHz only; removed other frequencies;
output frequencies adjusted accordingly, Changed phase jitter value,
Removed MSL spec
Changed IIL and IIH values, Changed rise / fall time value from 350 ps to
500 ps
Changed max junction temp from 125
°C to 135°C, Added thermal resistance
Clarified that IDD is with outputs loaded, Changed Data Sheet Status to
Final.
*D 2700242 KVM/PYRS 04/30/2009 Typos: changed VCC to VDD
OE pin capacitance changed from 7pF to 15pF
Changed IDD footnote
Reformatted AC & DC tables
Added specs CINX and IOZ
Added OE timing, and startup timing
Added OE waveforms
Added IDD for 2.5 V
Changed footnote about external power dissipation
*E 2718433 WWZ/HMT 06/12/2009 No change. Submit to ECN for product launch.
*F 2767308 KVM 09/22/2009 Add I
DD
spec for unterminated outputs
Change parameter name for I
DD
(terminated outputs) from I
DD
to I
DDT
Remove I
DD
footnote about externally dissipated current
Add footnote reference to C
IN
and C
INX
:not 100% tested
Add max limit for T
R
, T
F
: 1.0 ns
Change T
LOCK
max from 10 ms to 5 ms
*G 2896121 KVM 03/19/2010 Updated Package Diagram (Figure 12)
*H 3219081 BASH 04/07/2011 Template and style updates as per current Cypress standards.
Added ordering code definitions, acronyms, and units of measure.
Updated package diagram to *C.
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