HYS72T512020HR Datasheet, PDF (17/37 Pages) Qimonda AG – 240-Pin Registered-DDR2-SDRAM Modules

Internet Data Sheet
HYS72T512020HR–[3.7/5]–A
Registered DDR2 SDRAM Modules
Parameter
Symbol DDR2–533
Min.
Max.
Address and control input pulse width t_IPW
0.6
—
(each input)
Address and control input setup time t_IS(base)
DQ low-impedance time from CK / CK t_LZ(DQ)
DQS low-impedance from CK / CK t_LZ(DQS)
Mode register set command to ODT t_MOD
update delay
250
2 x t_AC.MIN
t_AC.MIN
0
—
t_AC.MAX
t_AC.MAX
12
Mode register set command cycle time t_MRD
OCD drive mode output delay
t_OIT
Data output hold time from DQS
t_QH
Data hold skew factor
t_QHS
Average periodic refresh Interval
t_REFI
2
—
0
12
t_HP – t_QHS
—
—
400
—
7.8
—
3.9
Auto-Refresh to Active/Auto-Refresh t_RFC
127.5
—
command period
Precharge-All (8 banks) command t_RP
period
15 + 1t_CK
—
Read preamble
Read postamble
Active bank A to Active bank B
command period
t_RPRE
t_RPST
t_RRD
0.9
0.40
7.5
1.1
0.60
—
Internal Read to Precharge command t_RTP
7.5
—
delay
Write preamble
Write postamble
Write recovery time for write without
Auto-Precharge
t_WPRE
t_WPST
t_WR
0.35 x t_CK
0.40
15
—
0.60
—
Write recovery time for write with Auto- WR
Precharge
t_WR/t_CK
—
Internal Write to Read command delay t_WTR
7.5
—
Exit power down to any valid
t_XARD
2
—
command
(other than NOP or Deselect)
Exit active power-down mode to Read t_XARDS
6 – AL
—
command (slow exit, lower power)
Exit precharge power-down to any t_XP
2
—
valid command (other than NOP or
Deselect)
Exit Self-Refresh to non-Read
command
t_XSNR
t_RFC +10
—
Exit Self-Refresh to Read command t_XSRD
200
—
1) For details and notes see the relevant QIMONDA component data sheet
2) V_DDQ = 1.8 V ± 0.1 V; V_DD = 1.8 V ± 0.1 V. See notes ^4)5)6)7)
Rev. 1.11, 2006-09
19
03062006-TZ8J-GNDA
DDR2–400
Min.
0.6
Max.
—
350
2 ξ t_AC.MIN
t_AC.MIN
0
—
t_AC.MAX
t_AC.MAX
12
2
—
0
12
t_HPQ – t_QHS —
—
450
—
7.8
—
3.9
127.5
—
15 + 1t_CK
—
0.9
1.1
0.40
0.60
7.5
—
7.5
—
0.35 x t_CK
0.40
15
—
0.60
—
t_WR/t_CK
—
10
—
2
—
Unit Note¹⁾²⁾
3)4)5)6)7)
t_CK
ps
ps
ps
ns
t_CK
ns
ps
µs ⁹⁾
µs ¹⁰⁾
ns
ns
t_CK
t_CK
ns ¹¹⁾
ns
t_CK
t_CK
ns
t_CK
ns
t_CK
6 – AL
—
t_CK
2
—
t_CK
t_RFC +10
—
ns
200
—
t_CK