M12L64322A_1 Datasheet, PDF (6/46 Pages) Elite Semiconductor Memory Technology Inc. – 512K x 32 Bit x 4 Banks Synchronous DRAM

ESMT
M12L64322A
Operation temperature condition -40°C ~ 85°C
AC OPERATING TEST CONDITIONS (VDD = 3.3V ± 0.3V ，TA = -40 to 85 °C )
Parameter
Value
Unit
Input levels (Vih/Vil)
2.4/0.4
V
Input timing measurement reference level
1.4
V
Input rise and fall-time
tr/tf = 1/1
ns
Output timing measurement reference level
1.4
V
Output load condition
See Fig. 2
Output
870 _Ω
3.3V
1200 _Ω
VOH (DC) =2.4V , IOH = -2 mA
30pF
VOL (DC) =0.4V , IOL = 2 mA
Output
Z0 =50 _Ω
Vtt = 1.4V
50 _Ω
30pF
(Fig. 1) DC Output Load Circuit
OPERATING AC PARAMETER
(AC operating conditions unless otherwise noted)
Parameter
Symbol
Row active to row active delay
RAS to CAS delay
Row precharge time
Row active time
Row cycle time @ Operating
Last data in to col. address delay
Last data in to row precharge
Last data in to burst stop
tRRD(min)
tRCD(min)
tRP(min)
tRAS(min)
tRAS(max)
tRC(min)
tCDL(min)
tRDL(min)
tBDL(min)
(Fig. 2) AC Output Load Circuit
Version
-6
12
18
18
42
100
60
1
2
1
Unit
Note
ns
1
ns
1
ns
1
ns
1
us
ns
1
CLK
2
CLK
2
CLK
2
Elite Semiconductor Memory Technology Inc.
Publication Date: Mar. 2007
Revision : 1.2
6/46