K7S3236T4C-FECI40 datasheet(10/20 Pages) SAMSUNG

Part #	K7S3236T4C-FECI40

Description	1Mx36 & 2Mx18 QDRTM II b4 SRAM

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Manufacturer	SAMSUNG [Samsung semiconductor]

Direct Link	http://www.samsung.com/Products/Semiconductor

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1Mx36 & 2Mx18 QDRTM II+ b4 SRAM

K7S3236T4C

K7S3218T4C

- 10 -

Rev. 1.2 March 2007

ABSOLUTE MAXIMUM RATINGS

Note: 1. 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 operating sections of this specification

is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.

PARAMETER

SYMBOL

RATING

UNIT

Voltage on VDD Supply Relative to VSS

VDD

-0.5 to 2.9

V

Voltage on VDDQ Supply Relative to VSS

VDDQ

-0.5 to VDD

V

Voltage on Input Pin Relative to VSS

VIN

-0.5 to VDD+0.3

V

Storage Temperature

TSTG

-65 to 150

°C

Operating Temperature

Commercial / Industrial

TOPR

0 to 70 / -40 to 85

°C

Storage Temperature Range Under Bias

TBIAS

-10 to 85

°C

OPERATING CONDITIONS (0°C ≤ TA ≤ 70°C)

Note: 1. VDDQ must not exceed VDD during normal operation.

2. These are DC test criteria. DC design criteria is VREF

±50mV. The AC VIH/VIL levels are defined separately for measuring

timing parameters.

3. VIL (Min)DC=

-0.3V, VIL (Min)AC=-1.5V(pulse width ≤ 3ns).

4. VIH (Max)DC=

VDDQ+0.3V, VIH (Max)AC=VDDQ+0.85V(pulse width ≤ 3ns).

5. Overshoot : VIH (AC)

≤

VDDQ+0.5V for t ≤ 50% tKHKH(MIN).

Undershoot: VIL (AC)

≤

VSS-0.5V for t ≤ 50% tKHKH(MIN).

6. This condition is for AC function test only, not for AC parameter test.

7. To maintain a valid level, the transiting edge of the input must:

a) Sustain a constant slew rate from the current AC level through the target AC level, VIL(AC) or VIH(AC)

b) Reach at least the target AC level

c) After the AC target level is reached, continue to maintain at least the target DC level, VIL(DC) or VIH(DC)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

Supply Voltage

VDD

1.7

1.8

1.9

V

VDDQ

1.4

1.5

1.6

V

Reference Voltage

VREF

0.7

0.75

0.8

V

Input Low Voltage(DC) 2,3)

VIL(DC)

-0.3

-

VREF - 0.1

V

Input High Voltage(DC) 2,4)

VIH(DC)

VREF + 0.1

-

VDDQ + 0.3

V

Input Low Voltage(AC) 6,7)

VIL(AC)

--

VREF - 0.2

V

Input Highj Voltage(AC) 6,7)

VIH(AC)

VREF + 0.2

-

V

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