![](http://datasheet.mmic.net.cn/330000/PM5945-UTP5_datasheet_16444354/PM5945-UTP5_52.png)
S
TANDARD
P
RODUCT
PMC-Sierra, Inc.
PM5945 -UTP5
PMC-940202 ISSUE 2. APRIL 7, 1995
______________________________________________________________________________________________
APP_SAPI_UTP5
______________________________________________________________________________________________
48
APPENDIX C: MATERIAL LIST
Item Qty
1
Reference Description
E1
19.44 MHz 10ppm DIP Osc, .5" case, PECL levels,
Connor-Winfield ECLFP5Q-19.44
U10
Saturn User Network Interface, 160 QFP, 0.025"
pitch PMC-Sierra PM5345-RC
U2
SONET/SDH Serial Transceiver, clock and data
recovery, 24-pin SOIC, Cypress CY7B951
U12, U16,
U17
PALC22V10D-10JC
U18, U19
CMOS bus interface register, 10 bit, 24-pin SOIC J-
bend, IDT74FCT821Y
U1
parallel synchronous FIFO, 1024x9 bit, 20 Mhz, 32-
pin PLCC, IDT72221L20J for PLCC
U4
octal 3-state inverting buffer, 20-pin SOIC, Motorola
74HCT240DW
U11
32x8 ROM, 16pin DIP, AMD Am27S19, or
equivalent DIP ROM
U22
Twisted pair FDDI transceiver device (TWISTER), 28
pin PLCC, National Semiconductor DP83223
U21
high frequency transformer 1:1 turns ratio with
common mode choke, 16 pin SOIC, Valor
Electronics ST6021
U20
high frequency transformer 1:1.4 turns ratio with
common mode choke, 16 pin SOIC Valor Electronics
ST6023
J1
edge connector, 100 pin, 100 position, 0.050" pitch,
AMP 103911-8
J2
RJ45 modular jack, 8 pin 8 position, SMT, AMP
555248-1
L3, L4, L5,
L6, L7, L8
D1
LED, yellow, HP-HLMP-1400, style 010, 0.1"
spacing, right angle
D2
LED, green, HP-HLMP-1503, style 010, 0.1"
spacing, right angle
C45, C46,
C47, C48,
C49, C50
1
2
1
3
1
5
3
CMOS PALs, 10ns prop, 28-pin PLCC, Cypress,
6
2
7
1
9
1
10
1
11
1
12
1
13
1
14
1
15
1
16
6
ferrite beads, 0.2", SMT, Fair-Rite #2743019446
17
1
18
1
19
6
capacitors, 100 pF ceramic 50V, surface mount 805