W24257A Winbond, W24257A Datasheet - Page 3
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W24257A
Manufacturer Part Number
W24257A
Description
32K X 8 High Speed CMOS Static RAM
Manufacturer
Winbond
Datasheet
1.W24257A.pdf
(11 pages)
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Part Number:
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Manufacturer:
WINBOND/华邦
Quantity:
20 000
CAPACITANCE
(V
Note: These parameters are sampled but not 100% tested.
THERMAL RESISTANCE
Note: These parameters are only applied to "TSOP" and "SOJ" package types.
AC TEST CONDITIONS
Input Capacitance
Input/Output Capacitance
Junction to Case Thermal Resistance
Junction to Ambient Thermal
Resistance
Input Pulse Levels
Input Rise and Fall Times
Input and Output Timing Reference Level
Output Load
DD
= 5V, T
A
= 25 C, f = 1 MHz)
PARAMETER
PARAMETER
PARAMETER
SYM.
C
C
I/O
IN
SYM
.
JC
JA
- 3 -
A. F. R. = 1m/sec, T
A. F. R. = 1m/sec, T
0V to 3V
5 nS
1.5V
C
CONDITIONS
L
V
V
= 30 pF, I
IN
OUT
= 0V
CONDITIONS
= 0V
OH
/I
Publication Release Date: May 1997
OL
CONDITIONS
A
A
= -4 mA/8 mA
= 25 C
= 25 C
MAX.
10
8
W24257A
MAX.
20
60
Revision A14
UNIT
pF
pF
UNIT
C/W
C/W