AS4SD16M16 datasheet(27/52 Pages) MICROSS

27 / 52 page

SDRAM

AS4SD16M16

Rev. 2.6 04/13/15

Micross Components reserves the right to change products or specifications without notice.

*Stresses greater than those listed under “Absolute Maximum

Ratings” may cause permanent damage to the device. This

is a stress rating only and functional operation of the device

at these or any other conditions above those indicated in the

operation section of this specification is not implied. Exposure

to absolute maximum rating conditions for extended periods

may affect reliability.

**Junction temperature depends upon package type, cycle

time, loading, ambient temperature and airflow, and humidity

(plastics).

ABSOLUTE MAXIMUM RATINGS*

Voltage on V

DD, VDDQ Supply

Relative to V

SS...................................-0.5V to +4.6V

Voltage on Inputs, NC or I/O Pins

Relative to V

SS...................................-0.5V to +4.6V

Operating Temperature, T

A (IT)......................-40°C to +85°C

Operating Temperature, T

A (ET)..................-40°C to +105°C

Operating Temperature, T

A (XT)...................-55°C to +125°C

Storage Temperature (plastic).......................-55°C to +150°C

Power Dissipation..............................................................1W

ELECTRICAL CHARACTERISTICS AND RECOMMENDED DC OPERATING CONDITIONS1,5,6

DD, VDDQ = +3.3V ±0.3V)

PARAMETER

SYMBOL

MIN

MAX

UNITS

NOTES

Supply Voltage

VDD, VDDQ

3.6

Input High Voltage: Logic 1; All inputs

VIH

2.2

VDD+ 0.3

Input Low Voltage: Logic 0; All inputs

VIL

-0.3

0.8

Input Leakage Current: Any input 0V < VIN < VDD

(All other pins not under test = 0V)

-5

µA

Output Leakage Current: DQs are disabled:

0V < VOUT < VDDQ

IOZ

-5

µA

Output Levels:

Output High Voltage (IOUT = -4mA)

VOH

2.4

---

Output Low Voltage (IOUT = 4mA)

VOL

---

0.4

DD SPECIFICATIONS AND CONDITIONS

1,5,6,11,13 (V

DD, VDDQ = +3.3V ±0.3V)

SYMBOL MAX (-75) UNITS

NOTES

IDD1

140

3, 18,

19, 32

IDD2

IDD3

3, 12,

19, 32

IDD4

150

3, 18,

19, 32

tRFC = tRFC (MIN)

IDD5

300

tRFC = 7.81 µs

IDD6

IDD7

4, 35

SELF REFRESH CURRENT: CKE < 0.2V

Operating Current: Burst Mode; Continuous Burst;

READ or WRITE: All banks active

Auto Refresh Current

CS\ = HIGH; CKE = HIGH

3, 12,

18, 19,

32, 33

PARAMETER

Operating Current: Active Mode;

Burst = 2; READ or WRITE; tRC = tRC (MIN)

Standby Current: Power-Down Mode;

All banks idle; CKE = LOW

Standby Current: Active Mode;

CKE = HIGH; CS\ = HIGH; All banks active after tRCD met;

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