ASM4SSTVF16857-48VT datasheet(7/16 Pages) ALSC

Part #	ASM4SSTVF16857-48VT

Description	DDR 14-Bit Registered Buffer

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Manufacturer	ALSC [Alliance Semiconductor Corporation]

Direct Link	https://www.alliancememory.com

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7 / 16 page

August 2004

ASM4SSTVF16857

rev 2.0

DDR 14-Bit Registered Buffer

7 of 16

DC Electrical Characteristics -PC3200

TA = 0°C to 70°C, VDD = 2.6 ± 0.2V, and VDDQ = 2.6±0.2V (unless otherwise stated)

Guaranteed by design. Not 100% production tested.

Symbol

Parameters

Test conditions

VDD (V)

Min

Typ

Max

Units

VIK

II = -18 mA

2.5

-1.2

V

IOH = -100 A

2.5 V to 2.7

VDD - 0.2

V

VOH

IOH = -8 mA

2.5

1.95

V

IOL = 100 A

2.5 V to 2.7

0.2

V

VOL

IOL = 8 mA

2.5

0.35

V

II

All inputs

VI = VDD or GND

2.7

± 5

A

Standby

(static)

RESETB = GND

2.7

0.01

A

IDD

Operating

(static)

VI = VIH(AC) or VIL(AC),

RESETB = VDD

2.7

25

mA

Dynamic

operating

(clock only)

RESETB = VDD,

VI = VIH(AC) or VIL(AC),

CLK and CLKB switching

50% duty cycle

2.7

328

A/clock

MHz

IDDD

Dynamic

operating (per

each data

input)

RESETB = VDD,

VI = VIH(AC) or VIL(AC),

CLK and CLKB =

switching 50% duty cycle;

One data input switching

at half clock frequency,

50% duty cycle

IO = 0

2.7

15

/clock

MHz/data

input

rOH

Output high

IOH = -20 mA

2.5 V to 2.7

7

13.5

20



rOL

Output low

IOL = 20 mA

2.5 V to 2.7

7

20



rO(D)

|rOH - rOL| each

separate bit

IO = 20 mA, TA = 25 C

2.6

4



Data inputs

2.6

2.5

3.5

pF

CLK & CLKB

VI = VREF ± 310 mV, VICR = 1.25 V,

VI(PP) = 360 mV

2.6

2.5

3.5

pF

Ci

RESETB

VI = VDD or GND

2.6

2.5

3.5

pF

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