emc163sp16k Emlsi Inc., emc163sp16k Datasheet - Page 27

• Manufacturer Part Number: emc163sp16k
• Description: 1mx16 Bit Cellularram Ad-mux
• Manufacturer: Emlsi Inc.

Figure 17: Latency Counter (Variable Initial Latency, No Refresh Collision)
Table 6: Fixed Latency Configuration Codes
Figure 18: Latency Counter (Fixed Latency)
BCR[13:11]
A/DQ[15:0]
A/DQ[15:0]
A/DQ[15:0]
A[21:16]
Others
010
011
100
101
110
000
ADV#
CLK
A/DQ[15:0]
A/DQ[15:0]
V
V
V
V
V
V
V
V
V
V
V
V
(WRITE)
IH
A[19:16]
IH
IH
IH
IH
IL
IL
IL
IH
IL
IL
IL
(READ)
2 (3 clocks)
3 (4 clocks)-default
4 (5 clocks)
5 (6 clocks)
6 (7 clocks)
8 (9 clocks)
Reserved
ADV#
CE#
CLK
Configuration
Latency
V
V
V
V
V
V
V
V
V
V
V
V
OH
Code
OH
IH
OL
IH
IH
IL
IH
OL
Address
IL
Address
Address
IL
IL
Address
Valid
Valid
Valid
Valid
Code 3 (default)
Code 4
Code 2
Address
Address
(ADV# = LOW)
Burst Identified
Valid
Valid
t
AADV
t
t
CO
AA
Latency Count (N)
Cycles
N-1
Normal
D0
t
ACLK
--
2
3
4
5
6
8
Cycle N
D1
D0
Output
Valid
t
27
Valid
Input
SP
D2
D1
D0
t
HD
Output
Valid
104(9.62ns)
52(19.2ns)
75(13.3ns)
133(7.5ns)
33(30ns)
66(15ns)
Valid
Input
D3
D2
D1
133
-
Max Input CLK Frequency (MHz)
Output
Valid
D4
D3
D2
Don’t Care
Valid
Input
1Mx16 CellularRAM AD-MUX
D5
Don’t Care
104(9.62ns)
Output
D4
52(19.2ns)
75(13.3ns)
D3
Valid
33(30ns)
66(15ns)
Valid
Input
104
-
-
EMC163SP16K
D6
D5
D4
Output
Undefined
Valid
Valid
Input
D7
D6
D5
Undefined
52(19.2ns)
75(13.3ns)
33(30ns)
66(15ns)
83(12ns)
83
-
-
D7
D6