EtronTech
EM68C16CWQG
Exit active power down to read command(slow
exit, lower power)
ODT turn-on delay
10-AL
2
-
8-AL
2
-
7-AL
2
-
tCK
tCK
1, 2
16
tXARDS
tAOND
tAON
2
2
2
tAC(max)
+2.575
tAC(max)
+0.7
tAC(max)
+0.7
tAC(min)
tAC(min)
tAC(min)
ns 6, 16, 38
ODT turn-on
3 tCK
2 tCK
2 tCK
tAC(min)+2 +tAC(max) tAC(min)+2 +tAC(max) tAC(min)+2 +tAC(max) ns
tAONPD
ODT turn-on (Power-Down mode)
+1
+1
+1
2.5
2.5
2.5
2.5
2.5
2.5
tCK
17, 42
tAOFD
tAOF
ODT turn-off delay
ODT turn-off
tAC(max)
+0.6
tAC(max)
+0.6
tAC(max)
+0.6
tAC(min)
tAC(min)
tAC(min)
ns 17, 41, 42
2.5 tCK
2.5 tCK
2.5 tCK
tAC(min)+2 +tAC(max) tAC(min)+2 +tAC(max) tAC(min)+2 +tAC(max) ns
tAOFPD
ODT turn-off (Power-Down mode)
+1
+1
+1
4
11
2
-
3
8
2
0
0
-
3
8
2
0
0
-
tCK
tCK
tCK
ns
tANPD
tAXPD
tMRD
tMOD
tOIT
ODT to power down entry latency
ODT power down exit latency
-
-
-
-
-
-
Mode register set command cycle time
MRS command to ODT update delay
OCD drive mode output delay
0
12
12
12
12
12
12
30
30
0
ns
Minimum time clocks remains ON after CKE
asynchronously drops LOW
Refresh to active/Refresh command time
tIS+tCK+tIH
-
tIS+tCK+tIH
127.5
-
tIS+tCK+tIH
-
ns
15
tDelay
tRFC
127.5
-
-
7.8
3.9
-
-
7.8
3.9
-
127.5
-
-
7.8
3.9
-
ns
s
s
ns
ns
ns
ns
43
43
@ -40 C to +85 C
°
°
Average periodic
refresh interval
tREFI
@ +85°C to 95°C
-
-
43, 44
13.125
13.125
58.125
45
12.5
12.5
57.5
45
15
15
60
45
tRCD
tRP
RAS# to CAS# Delay time
Row precharge Delay time
Row cycle Delay time
-
-
-
-
-
-
tRC
70K
70K
70K
tRAS
Row active Delay time
Rev. 1.2
27
Apr. /2016
ETRON [ ETRON TECHNOLOGY, INC. ]
