Datasheet

T
T
T
S
S
S
2
2
2
M
M
M
3
3
3
6
6
6
6
6
6
0
0
0
G
G
G

8MB 72 PIN FAST PAGE
DRAM SIMM With 1Mx16 5VOLT


Transcend Information Inc.



CAPACITANCE
(TA = 25°C, Vcc = 5V, f = 1MHz)
Item Symbol Min Max
Unit
Input capacitance (A0~A11)
Input capacitance (/WE)
Input capacitance (/RAS0, /RAS2)
Input capacitance (/CAS0~/CAS3)
Data input/output capacitance (D0~D31)
C
IN1
C
IN2
C
IN3
C
IN4
C
DQ
-
-
-
-
-
84
104
54
44
30
pF
pF
pF
pF
pF
AC CHARACTERISTICS
(0TA70  Vcc=5.0V10%, See notes 1, 2)
Test condition: Vih/Vil=2.4/0.8V, Voh/Vol=2.4/0.4V, output loading CL=100pF
Parameter Symbol Min Max

Unit

Note
Random read or write cycle time t
RC
 110 ns
Access time from /RAS t
RAC
 60 ns 3,4
Access time from /CAS t
CAC
 15 ns 3,4,5
Access time from column address t
AA
 30 ns 3,10
/CAS to output in Low-Z t
CLZ
 0 ns 3
Output buffer turn-off delay t
OFF
 0 15 ns 6
Transition time(rise and fall) t
T
 3 50 ns 2
/RAS precharge time t
RP
40 ns
/RAS pulse width t
RAS
60 10K ns
/RAS hold time t
RSH
 15 ns