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EM636165TS-7L View Datasheet(PDF) - Etron Technology

Part NameEM636165TS-7L Etron
Etron Technology Etron
Description1Mega x 16 Synchronous DRAM (SDRAM)
EM636165TS-7L Datasheet PDF : 75 Pages
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EtronTech
1M x 16 SDRAM
EM636165
Electrical Characteristics and Recommended A.C. Operating Conditions
(VDD = 3.3V±0.3V, Ta = -0~70°C) (Note: 5, 6, 7, 8)
Symbol
A.C. Parameter
- 5/55/6/7/7L/8/10
Min.
Max.
Unit Note
tRC Row cycle time
48/48/54/63/63/72/90
9
(same bank)
tRCD RAS# to CAS# delay
(same bank)
tRP Precharge to refresh/row activate
command (same bank)
15/16/16/16/16/16/30
15/16/16/1616//16/30
9
ns 9
tRRD Row activate to row activate delay
10/11/12/14/14/16/20
9
(different banks)
tRAS Row activate to precharge time
(same bank)
30/32/36/42/42/48/60
100,000
tWR Write recovery time
1
Cycle
tCK1
CL* = 1 -/19/20/20/20/20/30
tCK2 Clock cycle time
CL* = 2 -/7/7.5/8/8/8/15
10
tCK3
CL* = 3 5/5.5/6/7/7/8/10
tCH Clock high time
2/2/2/2.5/2.5/3/3.5
ns 11
tCL
Clock low time
2/2/2/2.5/2.5/3/3.5
11
tAC1 Access time from CLK
CL* = 1
-/7/8/13/13/18/27
tAC2 (positive edge)
CL* = 2
-/5.5/6/6.5/6.5/7/12
11
tAC3
CL* = 3
4.5/5/5/5.5/5.5/6.5/7.5
tCCD CAS# to CAS# Delay time
1
Cycle
tOH Data output hold time
1.8/2/2/2/2/2/3
10
tLZ
Data output low impedance
1/1/1/1/1/2/2
tHZ Data output high impedance
3/3.5/4/5/5/6/8
8
tIS
Data/Address/Control Input set-up time
2/2/2/2/2/2.5/3
ns 11
tIH
Data/Address/Control Input hold time
1
11
tPDE PowerDown Exit set-up time
2/2/2/2/2/2.5/3
tREF Refresh time
64
ms
* CL is CAS# Latency.
Note:
1. Stress greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to
the device.
2. All voltages are referenced to VSS. VIH(Max)=4.6 for pulse width5ns.VIL(Min)=-1.5Vfor pulse width5ns.
3. These parameters depend on the cycle rate and these values are measured by the cycle rate under the
minimum value of tCK and tRC. Input signals are changed one time during tCK.
4. These parameters depend on the output loading. Specified values are obtained with the output open.
5. Power-up sequence is described in Note 12.
Preliminary
20
Rev. 2.7 Mar. 2006
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