SY55859L_10 MICREL [Micrel Semiconductor], SY55859L_10 Datasheet - Page 3

• Manufacturer Part Number: SY55859L_10
• Description: 3.3V, 3.2Gbps Dual 2X2 Crosspoint Switch
• Manufacturer: MICREL [Micrel Semiconductor]

Pin Description
Micrel, Inc.
January 2010
10, 13, 16, 17,
Pin Number
20, 23
9, 24
EP
11
12
14
15
18
19
21
22
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
Exposed Pad
Pin Name
SELB0
SELB1
SELA1
SELA0
ENB1
ENB0
ENA0
ENA1
/QB0
/QB1
/QA1
/QA0
/DB1
/DB0
GND
/DA0
/DA1
VCC
DB1
DB0
QB0
QB1
QA1
QA0
DA0
DA1
Pin Function
TTL Input. Channel B1 Output Enable. Setting this pin inactive low powers down
QB1 and /QB1. Do not leave floating.
CML Input. Channel B1 true input.
CML Input. Channel B1 complement input.
TTL Input. Channel B0 Output Enable. Setting this pin inactive low powers down
QB0 and /QB. Do not leave floating.
TTL Input. Channel B0 output select. Please refer to Table 2. Do not leave
floating.
CML Input. Channel B0 true input.
CML Input. Channel B0 complement input.
TTL Input. Channel B1 output select. Please refer to Table 2. Do not leave
floating.
Supply ground. Most negative supply voltage.
Positive Supply.
CML Output. Channel B0 complement output.
CML Output. Channel B0 true output.
CML Output. Channel B1 complement output.
CML Output. Channel B1 true output.
CML Output. Channel A1 complement output.
CML Output. Channel A1 true output.
CML Output. Channel A0 complement output.
CML Output. Channel A0 true output.
TTL Input. Channel A1 output select. Please refer to Table 1. Do not leave
floating.
CML Input. Channel A0 true input.
CML Input. Channel A0 complement input.
TTL Input. Channel A0 output select. Please refer to Table 1. Do not leave
floating.
TTL Input. Channel A0 output enable. Setting this pin inactive low powers down
QA0 and /QA0. Do not leave floating.
CML Input. Channel A1 true input.
CML Input. Channel A1 complement input.
TTL Input. Channel A1 output enable. Setting this pin inactive low powers down
QA1 and / QA1. Do not leave floating.
Ground. This must be soldered to circuit board ground for proper electrical and
thermal operation.
3
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SY55859L