12
V55C2256164VB Rev. 1.0 April 2005
ProMOS TECHNOLOGIES
V55C2256164VB
Absolute Maximum Ratings*
Operating temperature range (commercial)0 to 70 °C
Operating temperature range (extended) -25 to 85 °C
Storage temperature range ............... -55 to 150 °C
Input/output voltage .................. -0.3 to (VCC+0.3) V
Power supply voltage .......................... -0.3 to 3.6 V
Power dissipation .......................................... 0.7 W
Data out current (short circuit) ...................... 50 mA
*Note:
Stresses above those listed under “Absolute Maximum
Ratings” may cause permanent damage of the device.
Exposure to absolute maximum rating conditions for
extended periods may affect device reliability.
Operating Currents TA = 0 to 70 °C(Commercial)/-40 to 85 °C(Extended);
VSS = 0 V; VCC= 2.5 V,VCCQ = 1.8V(Recommended Operating Conditions unless otherwise noted)
Notes:
7.
These parameters depend on the cycle rate and these values are measured by the cycle rate under the minimum value of tCK and
tRC. Input signals are changed one time during tCK.
8.
These parameter depend on output loading. Specified values are obtained with output open.
Symbol
Parameter & Test Condition
Max.
Unit
Note
-7
-8PC
10
ICC1
Operating Current
tRC = tRCMIN., tRC = tCKMIN.
Active-precharge command cy-
cling, without Burst Operation
1 bank operation
110
100
90
mA
7
ICC2P
Precharge Standby Current
in Power Down Mode
CS =VIH, CKE≤ VIL(max)
tCK = min.
0.5
0.5
0.5
mA
7
ICC2PS
tCK = Infinity
0.5
0.5
0.5
mA
7
ICC2N
Precharge Standby Current
in Non-Power Down Mode
CS =VIH, CKE≥ VIL(max)
tCK = min.
20
20
20
mA
ICC2NS
tCK = Infinity
5
5
5
mA
ICC3N
No Operating Current
tCK = min, CS = VIH(min)
bank ; active state ( 4 banks)
CKE
≥ VIH(MIN.)
25
25
25
mA
ICC3P
CKE
≤ VIL(MAX.)
(Power down mode)
555
mA
ICC4
Burst Operating Current
tCK = min
Read/Write command cycling
110
90
70
mA
7,8
ICC5
Auto Refresh Current
tCK = min
Auto Refresh command cycling
165
155
150
mA
7
ICC7
Deep Power down Current
10
10
10
uA
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