upd44645184af5-fq1-a Renesas Electronics Corporation., upd44645184af5-fq1-a Datasheet - Page 17

• Manufacturer Part Number: upd44645184af5-fq1-a
• Description: 72m-bit Qdrtm Ii Sram 4-word Burst Operation
• Manufacturer: Renesas Electronics Corporation.

Read and Write Cycle
Clock
Average Clock cycle time
(K, K#, C, C#)
Clock phase jitter (K, K#, C, C#)
Clock HIGH time (K, K#, C, C#)
Clock LOW time (K, K#, C, C#)
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#)
DLL/PLL lock time (K, C)
K static to DLL/PLL reset
Output Times
CQ HIGH to CQ# HIGH (CQ → CQ#)
CQ# HIGH to CQ HIGH (CQ# → CQ)
C, C# HIGH to output valid
C, C# HIGH to output hold
C, C# HIGH to echo clock valid
C, C# HIGH to echo clock hold
CQ, CQ# HIGH to output valid
CQ, CQ# HIGH to output hold
C HIGH to output High-Z
C HIGH to output Low-Z
Setup Times
Address valid to K rising edge
Control inputs (R#, W#) valid to
K rising edge
Data inputs and write data select
inputs (BWx#) valid to
K, K# rising edge
Hold Times
K rising edge to address hold
K rising edge to control inputs
(R#, W#) hold
K, K# rising edge to data inputs and
write data select inputs (BWx#) hold
Parameter
TCQHCQ#H
TCQ#HCQH
TKC reset
TCHCQV
TCHCQX
TCQHQV
TCQHQX
TKC lock
TCHQX1
TKHK#H
TK#HKH
TKC var
TKHKH
TKHCH
TCHQV
TCHQX
TCHQZ
TAVKH
TDVKH
TKHDX
Symbol
TKHKL
TKLKH
TKHAX
TIVKH
TKHIX
Preliminary Data Sheet M19959EJ1V0DS
–0.45
–0.45
–0.27
–0.45
μ
MIN.
1.32
1.32
1.49
1.49
1.24
1.24
3.3
0.4
0.4
0.3
0.4
0.4
0.3
20
30
(300 MHz)
0
PD44645094A-A, 44645184A-A, 44645364A-A
-E33
MAX.
1.45
0.45
0.45
0.27
0.45
8.4
0.2
–0.45
–0.45
–0.45
MIN.
1.55
1.55
–0.3
0.35
0.35
4.0
1.6
1.6
1.8
1.8
0.5
0.5
0.5
0.5
20
30
(250 MHz)
0
-E40
MAX.
0.45
0.45
0.45
8.4
0.2
1.8
0.3
–0.45
–0.45
–0.35
–0.45
MIN.
1.95
1.95
5.0
2.0
2.0
2.2
2.2
0.6
0.6
0.4
0.6
0.6
0.4
20
30
(200 MHz)
0
-E50
MAX.
0.45
0.45
0.35
0.45
8.4
0.2
2.3
Unit
ns
ns
ns
ns
ns
ns
ns
μ
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
Note
1
2
3
4
5
5
6
6
7
7
7
7
7
7
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