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W24257 Datasheet, PDF (3/10 Pages) Winbond – 32K X 8 CMOS STATIC RAM
W24257
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.
6
8
UNIT
pF
pF
AC CHARACTERISTICS
AC Test Conditions
PARAMETER
Input Pulse Levels
Input Rise and Fall Times
Input and Output Timing Reference Level
Output Load
CONDITIONS
0.6V to 2.4V
5 nS
1.5V
CL = 100 pF, IOH/IOL = -1 mA/4 mA
AC Test Loads and Waveform
5V
OUTPUT
R1 1000 ohm
100 pF
Including
Jig and
Scope
R2
660 ohm
R1 1000 ohm
5V
OUTPUT
5 pF
Including
Jig and
Scope
R2
660 ohm
(For TCLZ, TOLZ, TCHZ, TOHZ, TWHZ, TOW)
3.0V
90%
90%
0V
10%
5 nS
10%
5 nS
Publication Release Date: February 2001
-3-
Revision A16