IDT89TSF500BL IDT, Integrated Device Technology Inc, IDT89TSF500BL Datasheet - Page 13

• Manufacturer Part Number: IDT89TSF500BL
• Description: IC SWITCH FABRIC 1517-FCBGA
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT89TSF500BL

• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 89TSF500BL

89TSF500 AC Test Conditions
IDT 89TSF500
Input Rise/Fall Time
Output timing measurement reference level (V
Output load
Normalized
Register Field
1.
2.
Voltage
Differential voltage values are configurable via settings in the SerDes Group Link Configuration Registers. Refer to the
Amount “a” in Figure 8.
89TSF5xx User Manual for additional information.
Table 19 SERDES Tx Typical Pre-Emphasis Levels for Tx Amplitude Setting 3 (1200mV typical)
Value
+1
–1
0
1
2
3
4
5
6
7
1
bit 1
1
bit 2
*Notice: The information in this document is subject to change without notice
0
+(1+ a/2)
Normalized Increase in
bit 3
0
REF
Table 20 89TSF500 AC Test Conditions
) for 3.3V interfaces.
–(1– a/2)
Figure 8 Output with Pre-Emphasis
Amplitude
bit 4
1
0.00
0.16
0.23
0.39
0.31
0.46
0.53
0.64
bit 5
1
+(1– a/2)
–(1+ a/2)
13 of 37
bit 6
2
1
bit 7
0
bit 8
1
Deviation in Amplitude from
bit 9
Nominal (%)
• • •
11.5%
19.5%
15.5%
26.5%
Bit time = 400 ps at 2.5 GHz
0.0%
8.0%
23%
32%
1 V / ns (20% / 80%)
1.65V
As shown in Figure 9
November 23, 2004