W83L177R 查看數據表（PDF） - Winbond

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W83L177R

100MHZ 2-DIMM SDRAM BUFFER FOR NOTEBOOK

Winbond 

W83L177R

7.0 SPECIFICATIONS

PRELIMINARY

7.1 ABSOLUTE MAXIMUM RATINGS

Stresses greater than those listed in this table may cause permanent damage to the device.

Precautions should be taken to avoid application of any voltage higher than the maximum rated

voltages to this circuit. Maximum conditions for extended periods may affect reliability. Unused

inputs must always be tied to an appropriate logic voltage level (Ground or Vdd).

Symbol

Vdd , VIN

TSTG

TB

TA

Parameter

Voltage on any pin with respect to GND

Storage Temperature

Ambient Temperature

Operating Temperature

Rating

- 0.5 V to + 7.0 V

- 65°C to + 150°C

- 55°C to + 125°C

0°C to + 70°C

7.2 AC CHARACTERISTICS

Vdd = 3.3V ± 5 % , TA = 0°C to +70°C, Test load = 30 pF

Parameter

Symbo Min Typ Max

l

Input frequency

fIN

0

150

Output Rise Time

tR

1.5

4.0

Output Fall Time

tF

1.5

4.0

Output Skew, Rising Edges

tSR

250

Output Skew, Falling Edges

tSF

250

Output Enable Time

tEN

1.0

8.0

Output Disable Time

tDIS

1.0

8.0

Rising Edge Propagation tPR

1.0

Delay

<4.0

Falling Edge Propagation tPF

1.0

Delay

<4.0

Duty Cycle

tD

45

55

AC Output Impedance

ZO

15

Units

Test Conditions

MHz

V/ns

V/ns

ps

ps

ns

ns

ns

Measured from 0.4V to 2.4V

Measured from 0.4V to 2.4V

ns

% Measure at 1.5V

Ω

Publication Release Date: Mar. 1999

-6-

Revision 0.10

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