GS8180D18D-100 查看數據表（PDF） - Giga Semiconductor

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GS8180D18D-100

18Mb Burst of 4 SigmaQuad SRAM

Giga Semiconductor 

GS8180D18D-250/200/167/133/100

HSTL I/O DC Input Characteristics

Parameter

DC Input Logic High

DC Input Logic Low

VREF DC Voltage

Note:

Compatible with both 1.8 V and 1.5 V I/O drivers

Symbol

VIH (dc)

VIL (dc)

VREF (dc)

Min

VREF + 200

VDDQ (min)/2

Max

VREF – 200

VDDQ (max)/2

Units

mV

mV

V

Notes

1

1

1

HSTL I/O AC Input Characteristics

Parameter

Symbol

Min

Max

Units

AC Input Logic High

VIH (ac)

VREF + 400

mV

AC Input Logic Low

VIL (ac)

VREF – 400

mV

VREF Peak to Peak AC Voltage

VREF (ac)

5% VREF (DC)

mV

Notes:

1. The peak to peak AC component superimposed on VREF may not exceed 5% of the DC component of VREF.

2. To guarantee AC characteristics, VIH,VIL, Trise, and Tfall of inputs and clocks must be within 10% of each other.

3. For devices supplied with HSTL I/O input buffers. Compatible with both 1.8 V and 1.5 V I/O drivers.

4. See AC Input Definition drawing below.

Notes

3,4

3,4

1

HSTL I/O AC Input Definitions

VIH (ac)

VREF

VIL (ac)

Rev: 2.04 4/2005

13/28

Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.

© 2002, GSI Technology

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