Datasheet

2. VDDQ tracks with VDD. AC parameters are measured with VDD and VDDQ tied together.
3. VDD and VDDQ rating are determined by operation voltage.
AC and DC Input Measurement Levels
Single-Ended AC and DC Input Levels for Command and Address(1.35V)
Single-Ended AC and DC Input Levels for Command and Address(1.5V)
Symbol Parameter Min. Max. Units Notes
VIHCA (DC90) DC input logic high VREF + 0.090 VDD V 1,5(a)
VILCA (DC90) DC input logic low VSS VREF - 0.090 V 1,6(a)
VIHCA (AC160)
AC input logic high
V
REF + 0.160 -
V1,2
V
ILCA (AC160)
AC input logic low
-
VREF - 0.160
V1,2
V
IHCA (AC135) AC input logic high VREF + 0.135 - V 1,2
VILCA (AC135) AC input logic low - VREF - 0.135 V 1,2
VIHCA (AC125)
AC input logic high
- -
V1,2
V
ILCA (AC125)
AC
input logic low
-
-
V1,2
V
REFCA (DC) Reference voltage for
ADD, CMD inputs
0.49 * VDD 0.51 * VDD V 3,4
Symb
ol Parameter Min. Max. Units Notes
V
IHCA (DC100) DC input logic high VREF + 0.100 VDD V 1
VILCA (DC100) DC input logic low VSS VREF - 0.100 V 1
V
IHCA (AC175)
AC
input logic high
V
REF + 0.175 -
V
1,2
V
ILCA (AC175)
AC
input logic low
- V
REF - 0.175
V1,2
V
IHCA (AC150)
AC input logic high
V
REF + 0.150
-
V1,2
V
ILCA (AC150)
AC input logic low
- V
REF - 0.150
V1,2
V
IHCA (AC135)
AC input logic high
- -
V1,2
V
ILCA (AC135)
AC
input logic low
-
-
V1,2
V
IHCA (AC125)
AC input logic
high
- -
V1,2
AS4C256M16D3LB-12BIN
AS4C256M16D3LB-12BCN
Confidential
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Rev.1.1 Jan. 2017