Datasheet

t
RTP
Internal read to precharge command
delay
7.5 - 7.5 - 7.5 -
ns
3, 30
t
CKE
CKE minimum pulse width 3 - 3 - 3 -
t
CK
25
t
XSNR
Exit self refresh to non-read command
delay
t
RFC
+10
-
t
RFC
+10
-
t
RFC
+10
-
ns
30
t
XSRD
Exit self refresh to a read command 200 - 200 - 200 -
t
CK
t
XP
Exit precharge power down to any
command
3 - 2 - 2 -
t
CK
t
XARD
Exit active power down to read command 3 - 2 - 2 -
t
CK
1
t
XARDS
Exit active power down to read
command(slow exit, lower power)
10-AL
- 8-AL - 7-AL -
t
CK
1, 2
t
AOND
ODT turn-on delay 2 2 2 2 2 2
t
CK
16
t
AON
ODT turn-on
t
AC(min)
t
AC
(max)
+2.575
t
AC(min)
t
AC
(max)
+0.7
t
AC(min)
t
A
C(max)
+0.7
ns
6, 16, 38
t
AONPD
ODT turn-on (Power-Down mode) t
AC
(min)
+2
3 t
CK
+t
AC
(max)
+1
t
A
C(min)
+2
2 t
CK
+t
AC
(max)
+1
t
A
C(min)
+2
2 t
CK
+t
AC
(max)
+1
ns
t
AOFD
ODT turn-off delay 2.5 2.5 2.5 2.5 2.5 2.5
t
CK
17, 42
t
AOF
ODT turn-off
t
AC(min)
t
AC(max)
+0.6
t
AC(min)
t
AC(max)
+0.6
t
AC(min)
t
AC(max)
+0.6
ns
17, 41, 42
t
AOFPD
ODT turn-off (Power-Down mode) t
AC
(min)
+2
2.5 t
CK
+t
AC
(max)
+1
t
AC
(min)
+2
2.5 t
CK
+t
AC
(max)
+1
t
AC
(min)
+2
2.5 t
CK
+t
AC
(max)
+1
ns
t
ANPD
ODT to power down entry latency 4 - 3 - 3 -
t
CK
t
AXPD
ODT power down exit latency 11 - 8 - 8 -
t
CK
t
MRD
Mode register set command cycle time 2 - 2 - 2 -
t
CK
t
MOD
MRS command to ODT update delay 0 12 0 12 0 12
ns
30
t
OIT
OCD drive mode output delay 0 12 0 12 0 12
ns
30
t
Delay
Minimum time clocks remains ON after
CKE asynchronously drops LOW
t
IS
+ t
CK
+t
IH
- t
IS
+ t
CK
+t
IH
- t
IS
+ t
CK
+t
IH
-
ns
15
t
RFC
Refresh to active/Refresh command time 105 - 105 - 105 -
ns
43
t
REFI
Average periodic
refesh interval
@ -40
℃≦
TC
≦
+85
℃
- 7.8 - 7.8 - 7.8
µs
43
@ +85℃＜TC≦ +95℃
- 3.9 - 3.9 - 3.9
µs
43
t
RCD
RAS# to CAS# Delay time 13.125 - 12.5 - 15 -
ns
t
RP
Row precharge Delay time 13.125 - 12.5 - 15 -
ns
t
RC
Row cycle Delay time 58.125 - 57.5 - 60 -
ns
t
RAS
Row active Delay time 45 70k 45 70k 45 70k
ns
AS4C32M16D2A-25BIN
Alliance Memory Inc.
511 Taylor Way, San Carlos, CA 94070 TEL: [phone] FAX: [phone]
Alliance Memory Inc. reserves the right to change products or specification without notice
Rev.1.2
27
Jun./2014