Capacitance – Rainbow Electronics W24L257 User Manual
Page 3
Preliminary W24L257
Publication Release Date: May 2000
- 3 -
Revision A1
Operating Characteristics, continued
PARAMETER SYM. TEST CONDITIONS
MIN.
MAX.
UNIT
Standby Power Supply
Current
I
SB
CS = V
IH
(min.) or
Cycle = min. Duty = 100%
-
1
mA
I
SB1
CS
≥ V
DD
-0.2V
- 15
µA
Note: Typical parameter is measured under ambient temperature T
A
= 25
° C and V
DD
= 3.3V
CAPACITANCE
(V
DD
= 3.3V, T
A
= 25
° C, f = 1 MHz)
PARAMETER SYM.
CONDITIONS
MAX.
UNIT
Input Capacitance
C
IN
V
IN
= 0V
6
pF
Input/Output Capacitance
C
I/O
V
OUT
= 0V
8
pF
Note: These parameters are sampled but not 100% tested.
AC Characteristics
AC Test Conditions
PARAMETER CONDITIONS
Input Pulse Levels
0V to 3.0V
Input Rise and Fall Times
5 nS
Input and Output Timing Reference Level
1.5V
Output Load
See the drawing below
AC Test Loads and Waveform
90%
90%
5 nS
10%
5 nS
10%
OUTPUT
OUTPUT
3.0 V
0 V
100 pF
Including
Jig and
Scope
5 pF
Including
Jig and
Scope
1 TTL
1 TTL
CLZ,
OLZ,
CHZ, OHZ,
WHZ, OW
(For T
T
T
T
T
T
)