EBJ21UE8BFU0

Data Sheet E1642E30 (Ver. 3.0)

9

Recommended DC Operating Conditions (TC = 0°C to +85°C)

Parameter

Symbol

min.

typ.

max.

Unit

Notes

Supply voltage

VDD, VDDQ

1.425

1.5

1.575

V

1, 2, 3

VSS

0

0

0

V

1

VDDSPD

3.0

3.3

3.6

V

Input reference voltage for

address, command inputs

VREFCA (DC)

0.49

× VDD

—

0.51

× VDD

V

1, 4, 5

Input reference voltage for

DQ, DM inputs

VREFDQ (DC)

0.49

× VDD

—

0.51

× VDD

V

1, 4, 5

Notes: 1. DDR3 SDRAM component specification.

2. Under all conditions VDDQ must be less than or equal to VDD.

3. VDDQ tracks with VDD. AC parameters are measured with VDD and VDDQ tied together.

4. The AC peak noise on VREF may not allow VREF to deviate from VREF(DC) by more than

±1% VDD (for

reference: approx

±15 mV).

5. For reference: approx. VDD/2

±15 mV.