DDR110-XXT7RL Datasheet, PDF (3/5 Pages) STMicroelectronics – DOUBLE DATA RATE TERMINATION NETWORK WITH DISABLE SWITCH

DDR110-xxT7RL
ELECTRICAL CHARACTERISTICS (Tamb = 25°C - Vcc = 5V)
Symbol
Parameter
Test conditions
R_ON
I_OFF
C_OFF
Switch ON Resistance
INPUT Leakage
current Switch OFF
OFF-state capacitance
V_TT = 1.25V, V_IN = 0V,OE = + 5V
DDR110-27
DDR110-56
INPUT = + 3.3V, OE = 0V
V_IN = 0V, 1MHz, 30mV_RMS,
OE = 0V
Value
Unit
Min. Typ. Max.
22
27
32
Ω
45
56
67
Ω
1 µA
6
pF
APPLICATION SCHEMATICS
System
Controller
Chipset
DDR Address
DDR Control
(North Bridge) _{DDR Data / Strobe}
5V
Enable
VTT
DDR
110
10 bits
DDR
110
10 bits
DDR
110
10 bits
DDR
110
OE
VCC
GND
DQ7
DQ6
DM0
DQ5
DQ4
DQ3
DQ2
DQS0
DQ1
DQ0
OE
ENNAABBLE HHIIGGHH
VTT Island
Decoupling
Capacitor
to GND Plane
NC
®
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