S71GS256 datasheet(126/195 Pages) SPANSION

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126

CellularRAM Type 2

cellRAM_00_A0 October 4, 2004

Advan ce

In form ati o n

DC Characteristics

Notes:

1. Wireless Temperature (-25ºC < TC < +85ºC); Industrial Temperature (-40ºC < TC < +85ºC).

2. Input signals may overshoot to VCCQ + 1.0V for periods less than 2ns during transitions.

3. Input signals may undershoot to VSS - 1.0V for periods less than 2ns during transitions.

4. BCR[5:4] = 00b.

5. This parameter is specified with the outputs disabled to avoid external loading effects. The user must add the

current required to drive output capacitance expected in the actual system.

6. ISB (MAX) values measured with PAR set to FULL ARRAY and TCR set to +85°C. To achieve low standby current,

all inputs must be driven to either VCCQ or VSS.

Table 26. Electrical Characteristics and Operating Conditions

Description

Conditions

Symbol

Min

Max

Units

Notes

Supply Voltage

VCC

1.70

1.95

I/O Supply Voltage

VCCQ

W: 1.8V

1.70

1.95

J: 1.5V

1.35

1.65

Input High Voltage

VIH

VCCQ - 0.4 VCCQ + 0.2

Input Low Voltage

VIL

-0.20

0.4

Output High Voltage

IOH = -0.2mA

VOH

0.80 VCCQV

Output Low Voltage

IOL = +0.2mA

VOL

0.20 VCCQV

Input Leakage Current

VIN = 0 to VCCQILI

1µA

Output Leakage Current

OE# = VIH or

Chip Disabled

ILO

1µA

Operating Current

Asynchronous Random READ

VIN = VCCQ or 0V

Chip Enabled,

IOUT = 0

ICC1

-70

-85

Asynchronous Page READ

-70

-85

Initial Access, Burst READ

VIN = VCCQ or 0V

Chip Enabled,

IOUT = 0

ICC1

80 MHz

66 MHz

Continuous Burst READ

80 MHz

66 MHz

WRITE Operating Current

VIN = VCCQ or 0V

Chip Enabled

ICC2

-70

-85

Standby Current

VIN = VCCQ or 0V

CE# = VCCQ

ISB

128 M

180

µA

64 M

120

32 M

110

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