PD44165092B_15 Datasheet, PDF (19/37 Pages) Renesas Technology Corp – 18M-BIT QDRTM II SRAM 2-WORD BURST OPERATION

μPD44165092B, μPD44165182B, μPD44165362B
Read and Write Cycle
Parameter
Symbol -E33, E33Y -E35, E35Y -E40, E40Y -E50, E50Y Unit Note
(300 MHz) (287 MHz) (250 MHz) (200 MHz)
MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX.
Clock
Average Clock cycle time
(K, K#, C, C#)
TKHKH 3.3 8.4 3.5 8.4 4.0 8.4 5.0 8.4 ns 1
Clock phase jitter (K, K#, C, C#) TKC var
0.2
0.2
0.2
0.2 ns 2
Clock HIGH time (K, K#, C, C#) TKHKL 1.32
1.5
1.6
2.0
ns
Clock LOW time (K, K#, C, C#) TKLKH 1.32
1.5
1.6
2.0
ns
Clock HIGH to Clock# HIGH
(K → K#, C → C#)
Clock# HIGH to Clock HIGH
(K# → K, C# → C)
Clock to data clock
(K → C, K# → C#)
PLL lock time (K, C)
K static to PLL reset
TKHK#H 1.49
1.7
1.8
2.2
ns
TK#HKH 1.49
1.7
1.8
2.2
ns
TKHCH
0 1.45 0 1.65 0 1.8 0 2.3 ns
TKC lock 20
20
20
20
TKC reset 30
30
30
30
μs 3
ns 4
Output Times
CQ HIGH to CQ# HIGH
TCQHCQ#H 1.24
1.35
1.55
1.95
ns 5
(CQ → CQ#)
CQ# HIGH to CQ HIGH
TCQ#HCQH 1.24
1.35
1.55
1.95
ns 5
(CQ# → CQ)
C, C# HIGH to output valid
TCHQV
0.45
0.45
0.45
0.45 ns
C, C# HIGH to output hold
TCHQX −0.45
−0.45
−0.45
−0.45
ns
C, C# HIGH to echo clock valid TCHCQV
0.45
0.45
0.45
0.45 ns
C, C# HIGH to echo clock hold TCHCQX −0.45
−0.45
−0.45
−0.45
ns
CQ, CQ# HIGH to output valid TCQHQV
0.27
0.3
0.3
0.35 ns 6
CQ, CQ# HIGH to output hold TCQHQX −0.27
−0.3
−0.3
−0.35
ns 6
C HIGH to output High-Z
TCHQZ
0.45
0.45
0.45
0.45 ns
C HIGH to output Low-Z
TCHQX1 −0.45
−0.45
−0.45
−0.45
ns
Setup Times
Address valid to K rising edge
TAVKH 0.3
0.35
0.35
0.4
Control inputs (R#, W#) valid to
TIVKH
0.3
0.35
0.35
0.4
K rising edge
Data inputs and write data
TDVKH 0.3
0.35
0.35
0.4
select inputs (BWx#) valid to
K, K# rising edge
ns 7
ns 7
ns 7
Hold Times
K rising edge to address hold
TKHAX 0.3
0.35
0.35
0.4
K rising edge to control inputs
TKHIX
0.3
0.35
0.35
0.4
(R#, W#) hold
K, K# rising edge to data inputs TKHDX 0.3
0.35
0.35
0.4
and write data select inputs
(BWx#) hold
ns 7
ns 7
ns 7
R10DS0017EJ0200 Rev.2.00
October 6, 2011
Page 19 of 36