AS4C64M8D1
Table 15. D.C. Characteristics
(VDD = 2.5V 0.2V, TA = 0 ~ 70 C)
-5
Parameter & Test Condition
Symbol
Unit
Max.
OPERATING CURRENT:
One bank; Active-Precharge; t =t (min); t =t (min); DQ,DM
and DQS inputs changing once per clock cycle; Address and control
inputs changing once every two clock cycles.
RC RC
CK CK
IDD0
80
mA
OPERATING CURRENT:
IDD1
90
5
mA
mA
One bank; BL=4; reads - Refer to the following page for detailed test
conditions
PRECHARGE POWER-DOWN STANDBY CURRENT:
IDD2P
All banks idle; power-down mode; t =t (min); CKE = LOW
CK CK
PRECHARGE FLOATING STANDBY CURRENT:
CS = HIGH; all banks idle; CKE = HIGH; t =t (min); address and
CK CK
IDD2F
35
mA
other control inputs changing once per clock cycle; V = V
for
IN
REF
DQ, DQS and DM
PRECHARGE QUIET STANDBY CURRENT:
CS =HIGH; all banks idle; CKE =HIGH; t =t (min) address and
CK CK
IDD2Q
IDD3P
IDD3N
35
20
65
mA
mA
mA
other control inputs stable at ≥ V (min) or ≤ V (max); V = V
REF
IH
IL
IN
for DQ, DQS and DM
ACTIVE POWER-DOWN STANDBY CURRENT : one bank active;
power-down mode; CKE=LOW; t =t (min)
CK CK
ACTIVE STANDBY CURRENT :
=HIGH;CKE=HIGH; one bank
CS
active ; t =t (max);t =t (min);Address and control inputs
RC RC
CK CK
changing once per clock cycle; DQ,DQS,and DM inputs changing
twice per clock cycle
OPERATING CURRENT BURST READ : BL=2; READS;
Continuous burst; one bank active; Address and control inputs
IDD4R
IDD4W
130
130
mA
mA
changing once per clock cycle; t =t (min); lout=0mA;50% of data
CK CK
changing on every transfer
OPERATING CURRENT BURST Write : BL=2; WRITES;
Continuous Burst ;one bank active; address and control inputs
changing once per clock cycle; t =t (min); DQ,DQS,and DM
CK CK
changing twice per clock cycle; 50% of data changing on every
transfer
AUTO REFRESH CURRENT : t =t
(min); t =t (min)
IDD5
IDD6
140
6
mA
mA
RC RFC
CK CK
≦
SELF REFRESH CURRENT: Self Refresh Mode ; CKE
0.2V;t =t (min)
CK CK
BURST OPERATING CURRENT 4 bank operation:
Four bank interleaving READs; BL=4;with Auto Precharge;
=t (min); t =t (min); Address and control inputs change only
IDD7
210
mA
t
RC RC
CK CK
during Active, READ , or WRITE command
Confidential
11
Rev.2.0
Oct. /2014
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
