STC3500 Datasheet, PDF (3/48 Pages) Connor-Winfield Corporation – INTEGRATED - STRATUM 3 TIMING SOURCE

STC3500 Ball Grid Diagram (Top View)
Figure 1
1
2
3
4
5
6
7
8
9
10
11 12
A Reset
B
RDY
or
SDO
R/W
CS
or
SDI
GND
ALE
or
SCLK
AD0
AD1
AD2 GND
AD3
AD4
AD5 Vdd2.5 Sel0
Sel1
Sel2
Sel3
A
AD6
AD7 Bmode HM_Ref GND ^DACclk B
C _INTR
NC Dmode Vdd2.5
NC
NC
NC
NC
NC
NC BITS_Sel DACdin ^C
D E²scl E²sda
NC
NC
NC
NC
NC
NC
NC
NC VCXO_Sel DACld D
E Vdd2.5 E²wp
NC Vdd3.3
NC Vdd3.3 Vdd3.3 AVdd2.5 Vdd3.3 Vdd2.5 V_NPECL AGND E
F M_Clk AGND NC
NC
GND GND GND
NC
NC
GND V_PPECL V_TTL F
G _MNC
GND AVdd2.5 MNC
GND
GND
GND
NC
NC
NC
NC Sync_Clk G
H Vdd2.5 LOS
NC
NC Vdd2.5 NC
NC
NC
NC Vdd3.3 NC Vdd2.5 H
J
M/S
LOL Vdd3.3 NC
NC
NC Vdd2.5 TCK
NC
TDO
NC Sync_8k J
K Xref Hold_Rdy NC
NC
NC
NC
GND
NC
NC
GND
NC Sync_2k K
L GND
NC
NC
NC Vdd3.3 _NC
NC
NC
TMS MNC BITS_Clk TRST L
M Ref1
Ref2
Ref3
Ref4
Ref5 Ref6
Ref7 Ref8
TDI Vdd3.3 MNC MNC M
1
2
3
4
5
6
7
8
9
10
11
12
Note: Pins indicated as “MNC” are mandatory no-connects. Pins indicated as “NC” may be left uncon-
nected or may be grounded.
Preliminary Data Sheet: TM060 Page 3 of 48 Rev: P06 Date: 11/22/04
© Copyright 2001 The Connor-Winfield Corp. All Rights Reserved Specifications subject to change without notice