W24257AJ-8N Datasheet, PDF (3/8 Pages) Winbond – 32K X 8 High Speed CMOS Static RAM

W24257AJ-8N
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.
20
60
UNIT
°C/W
°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
AC TEST LOADS AND WAVEFORM
5V
OUTPUT
R1 480 ohm
30 pF
Including
Jig and
Scope
R2
255 ohm
R1 480 ohm
5V
OUTPUT
5 pF
Including
Jig and
Scope
R2
255 ohm
(For TCLZ, TOLZ, TCHZ, TOHZ , TWHZ , TOW)
3.0V
90%
90%
0V
10%
5 nS
10%
5 nS
Publication Release Date: February 1998
-3-
Revision A2