参数资料
型号: SPEAR-09-P022
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 1 CHANNEL(S), 1000M bps, I2C BUS CONTROLLER, PBGA420
封装: 23 X 23 MM, 1.81 MM HEIGHT, ROHS COMPLIANT, PLASTIC, BGA-420
文件页数: 30/40页
文件大小: 328K
代理商: SPEAR-09-P022
Electrical characteristics
SPEAR-09-P022
Figure 7.
Test circuit
Note:
Cop = 5 pF, Rt = 100
Ω, Z0 = 50 Ω
Max frequency of operation 400 MHz
5.5
DDR I & DDR II pads electrical characteristics
TX line Z0
Cop
Voa
Cop
Rt
Vob
Table 19.
Receiver specification
Symbol
Parameter
Test condition
Min.
Max.
Unit
Vi
Input voltage range, Via or Vib
0.4
2.2
V
Vidth
Input differential threshold
-100
+100
mV
Vhyst
Input differential hysteresis
Vidthh-Vidthl
25
mV
Rin
Receiver differential input impedance
80
120
Ω
Table 20.
DC characteristics
Symbol
Parameter
Test condition
Min.
Max.
Unit
Vil
Low level input voltage
SSTL2
-0.3
Vref - 0.15
V
SSTL18
-0.3
Vref - 0.125
V
Vih
High level input voltage
SSTL2
Vref + 0.15
Vdde2V5 + 0.3
V
SSTL18
Vref + 0.125
Vdde1V8 + 0.3
V
Vhyst
Input voltage hysteresis
200
mV
Table 21.
Driver characteristics
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
Ro
Output impedance
45
Ω
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