W24257A Просмотр технического описания (PDF) - Winbond

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производитель

W24257A

32K ´ 8 HIGH SPEED CMOS STATIC RAM

Winbond 

W24257A

CAPACITANCE

(VDD = 5V, TA = 25° C, f = 1 MHz)

PARAMETER

SYM.

Input Capacitance

CIN

Input/Output Capacitance

CI/O

Note: These parameters are sampled but not 100% tested.

CONDITIONS

VIN = 0V

VOUT = 0V

MAX.

8

10

UNIT

pF

pF

THERMAL RESISTANCE

PARAMETER

SYM

.

CONDITIONS

Junction to Case Thermal Resistance

θJC A. F. R. = 1m/sec, TA = 25° C

Junction to Ambient Thermal

Resistance

θJA A. F. R. = 1m/sec, TA = 25° C

Note: These parameters are only applied to "TSOP" and "SOJ" package types.

MAX. UNIT

20 °C/W

60 °C/W

AC TEST CONDITIONS

PARAMETER

Input Pulse Levels

Input Rise and Fall Times

Input and Output Timing Reference Level

Output Load

CONDITIONS

0V to 3V

5 nS

1.5V

CL = 30 pF, IOH/IOL = -4 mA/8 mA

Publication Release Date: May 1997

-3-

Revision A14

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