MC-458CB646 Datasheet, PDF (6/16 Pages) NEC – 8M-WORD BY 64-BIT SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE

MC-458CB646
DC Characteristics (Recommended Operating Conditions Unless Otherwise Noted)
Parameter
Symbol
Test condition
Grade MIN. MAX. Unit Notes
Operating current
ICC1 Burst length = 1
/CAS latency = 2 -A80
400 mA 1
tRC ≥ tRC(MIN.), IO = 0 mA
-A10
400
/CAS latency = 3 -A80
400
Precharge standby current in ICC2P CKE ≤ VIL(MAX.), tCK = 15 ns
power down mode
ICC2PS CKE ≤ VIL(MAX.), tCK = ∞
Precharge standby current in ICC2N CKE ≥ VIH(MIN.), tCK = 15 ns, /CS ≥ VIH(MIN.),
non power down mode
Input signals are changed one time during 30 ns.
E _{ICC2NS CKE ≥ VIH(MIN.), tCK = ∞, Input signals are stable.}
Active standby current in
ICC3P CKE ≤ VIL(MAX.), tCK = 15 ns
power down mode
ICC3PS CKE ≤ VIL(MAX.), tCK = ∞
O^{Active standby current in}
non power down mode
ICC3N CKE ≥ VIH(MIN.), tCK = 15 ns, /CS ≥ VIH(MIN.),
Input signals are changed one time during 30 ns.
ICC3NS CKE ≥ VIH(MIN.), tCK = ∞, Input signals are stable.
L ^{Operating current}
ICC4 tCK ≥ tCK(MIN.), IO = 0 mA
/CAS latency = 2
-A10
-A80
400
4 mA
4
80 mA
32
20 mA
16
120 mA
80
480 mA 2
(Burst mode)
-A10
380
/CAS latency = 3 -A80
580
-A10
500
CBR (Auto) refresh current
ICC5 tRC ≥ tRC(MIN.)
/CAS latency = 2 -A80
920 mA 3
-A10
920
P _{/CAS latency = 3 -A80}
920
-A10
920
Self refresh current
ICC6 CKE ≤ 0.2 V
8 mA
r ^{Input leakage current}
II(L) VI = 0 to 3.6 V, All other pins not under test = 0 V
–4 +4 µA
Output leakage current
IO(L) DOUT is disabled, VO = 0 to 3.6 V
–1.5 +1.5 µA
o ^{High level output voltage}
VOH IO = –4.0 mA
2.4
V
Low level output voltage
VOL IO = +4.0 mA
0.4 V
Notes 1. ICC1 depends on output loading and cycle rates. Specified values are obtained with the output open. In
d ^{addition to this, ICC1 is measured on condition that addresses are changed only one time during tCK (MIN.).}
2. ICC4 depends on output loading and cycle rates. Specified values are obtained with the output open. In
addition to this, ICC4 is measured on condition that addresses are changed only one time during tCK (MIN.).
uct ^{3. ICC5 is measured on condition that addresses are changed only one time during tCK (MIN.).}
6
Data Sheet E0063N10