
PC133 SDRAM Unbuffered DIMM
Rev. 0.1/Nov. 01
                                                                                                                                                                                                                 8
HYM71V32635BT8 Series
ABSOLUTE MAXIMUM RATINGS
Note : 
Operation at above absolute maximum rating can adversely affect device reliability.
DC OPERATING CONDITION 
(T
A
=0 to 70
°
C
)
Note : 
1.All voltages are referenced to V
SS
 = 0V 
2.V
IH
(max) is acceptable 5.6V AC pulse width with <=3ns of duration.
3.V
IL
(min) is acceptable -2.0V AC pulse width with <=3ns of duration.
AC OPERATING TEST CONDITION 
(T
A
=0 to 70
°
C
, V
DD
=3.3
±
0.3V, V
SS
=0V)
Note : 
1.Output load to measure access times is equivalent to two TTL gates and one capacitor (50pF). For details, refer to AC/DC output 
   load circuit  
Parameter
Symbol
Rating
Unit
Ambient Temperature
T
A
0 ~ 70
°
C
Storage Temperature
T
STG
-55 ~ 125
°
C
Voltage on Any Pin relative to V
SS
V
IN
, V
OUT
-1.0 ~ 4.6
V
Voltage on V
DD
 relative to V
SS
V
DD, 
V
DDQ
-1.0 ~ 4.6
V
Short Circuit Output Current
I
OS
50
mA
Power Dissipation
P
D
16
W
Soldering Temperature
 
 Time
T
SOLDER
260 
 10
°
C
 Sec
Parameter
Symbol
Min
Typ
Max
Unit
Note
Power Supply Voltage
V
DD
, V
DDQ
3.0
3.3
3.6
V
1
Input High voltage
V
IH
2.0
3.0
V
DDQ
 + 0.3
V
1,2
Input  Low voltage
V
IL
-0.3
0
0.8
V
1,3
Parameter
Symbol
Value
Unit
Note
AC Input High / Low Level Voltage
V
IH
 / V
IL
2.4/0.4
V
Input Timing Measurement Reference Level Voltage
Vtrip
1.4
V
Input Rise / Fall Time
tR / tF
1
ns
Output Timing Measurement Reference Level Voltage
Voutref
1.4
V
Output Load Capacitance for Access Time Measurement
C
L
50
pF
1