HYB39S64400CT-7.5 Datasheet, PDF (17/52 Pages) Infineon Technologies AG – 64-MBit Synchronous DRAM

HYB 39S64400/800CT(L)
64-MBit Synchronous DRAM
AC Characteristics (cont’d)^{1, 2}
T_A = 0 to 70 °C; V_SS = 0 V; V_DD = 3.3 V ± 0.3 V, t_T = 1 ns
Parameter
Symb.
Limit Values
Unit Note
-7.5
-8
min. max. min. max.
Refresh Cycle
Refresh Period
(4096 cycles)
Self Refresh Exit Time
t_REF
–
t_SREX
1
Read Cycle
Data Out Hold Time
t_OH
3
Data Out to Low Impedance Time t_LZ
1
Data Out to High Impedance Time t_HZ
3
DQM Data Out Disable Latency
t_DQZ
–
Write Cycle
Write Recovery Time
DQM Write Mask Latency
t_WR
2
t_DQW
0
64 –
–
1
–
3
–
0
7
3
2
–
–
2
–
0
64 ms –
–
CLK ⁶
–
ns ²
–
ns –
8
ns –
2
CLK –
–
CLK –
–
CLK –
Data Book
17
12.99