EDJ8232B5MB datasheet(8/142 Pages) ELPIDA

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EDJ8232B5MB

Data Sheet E1825E30 (Ver. 3.0)

Recommended DC Operating Conditions (TC = 0

C to +85C, VDD, VDDQ = 1.5V  0.075V)

Parameter

Symbol

min.

typ.

max.

Unit

Notes

Supply voltage

VDD

1.425

1.5

1.575

1, 2

Supply voltage for DQ

VDDQ

1.425

1.5

1.575

1, 2

Notes: 1. Under all conditions VDDQ must be less than or equal to VDD.

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

AC and DC Input Measurement Levels (TC = 0

C to +85C, VDD, VDDQ = 1.5V  0.075V)

Single-Ended AC and DC Input Levels for Command and Address

Parameter

Symbol

min.

typ.

max.

Unit

Notes

DC input logic high

VIHCA (DC100)

VREF

 0.100



VDD

1, 5

DC input logic low

VILCA (DC100)

VSS



VREF

 0.100

1, 6

AC input logic high

VIHCA (AC175)

VREF

 0.175



*2

1, 2, 7

AC input logic low

VILCA (AC175)

*2

VREF

 0.175

1, 2, 8

AC input logic high

VIHCA (AC150)

VREF

 0.150



*2

1, 2, 7

AC input logic low

VILCA (AC150)

*2



VREF

 0.150

1, 2, 8

Input reference voltage

for address, command

inputs

VREFCA (DC)

0.49

 VDD



0.51

 VDD

3, 4

Notes: 1. For input only pins except /RESET; VREF = VREFCA (DC).

2. See Overshoot and Undershoot Specifications section.

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

1% VDD

(for reference: approx.

15 mV).

4. For reference: approx. VDD/2

15 mV.

5. VIH (DC) is used as a simplified symbol for VIHCA (DC100)

6. VIL (DC) is used as a simplified symbol for VILCA (DC100)

7. VIH (AC) is used as a simplified symbol for VIHCA (AC175) and VIHCA (AC150); VIHCA (AC175) value

is used when VREF + 0.175V is referenced, and VIHCA (AC150) value is used when VREF + 0.150V is

referenced.

8. VIL (AC) is used as a simplified symbol for VILCA (AC175) and VILCA (AC150) ; VILCA (AC175) value is

used when VREF

 0.175V is referenced, and VILCA (AC150) value is used when VREF  0.150V is

referenced.

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