W25S243A Datasheet, PDF (8/17 Pages) Winbond – 64K X 64 BURST PIPELINED HIGH-SPEED CMOS STATIC RAM

Preliminary W25S243A
AC CHARACTERISTICS
AC Test Conditions
PARAMETER
Input Pulse Levels
Input Rise and Fall Times
Input and Output Timing Reference Level
Output Load
AC Test Loads and Waveform
CONDITIONS
0V to 3V
2 nS
1.5V
CL = 30 pF, IOH/IOL = -4 mA/8 mA
VL = 1.5V
OUTPUT
RL = 50 ohm
Zo = 50 ohm
30 pF
Including
Jig and
Scope
3.3V
OUTPUT
R1 320 ohm
5 pF
Including
Jig and
Scope
R2
350 ohm
(For T _KHZ, T_KLZ, T_OHZ, T_OLZ, measurement)
3.0V
0V
90% ^90%
10% 10%
2 nS
2 nS
AC Timing Characteristics
(VDD/VDDQ = 3.15V to 3.6V, VSS/VSSQ = 0V, TA = 0 to 70° C, all timings measured in pipelined mode)
PARAMETER
SYMBOL
W25S243A-12
MIN.
MAX.
Add. Setup Time
TAS
2.5
-
Add. Hold Time
TAH
0.5
-
Write Data Setup Time
TDS
2.5
-
Write Data Hold Time
TDH
0.5
-
ADV Setup Time
TADVS
2.5
-
ADV Hold Time
TADVH
0.5
-
UNIT NOTES
nS
nS
nS
nS
nS
nS
-8-