ESMT
M12L64164A
Elite Semiconductor Memory Technology Inc.
Publication Date
:
Mar. 2003
Revision
:
1.7
2/44
FUNCTIONAL BLOCK DIAGRAM
PIN FUNCTION DESCRIPTION
PIN NAME
INPUT
FUNCTION
CLK
System Clock
Active on the positive going edge to sample all inputs
CS
Chip Select
Disables or enables device operation by masking or enabling all
inputs except CLK , CKE and L(U)DQM
CKE
Clock Enable
Masks system clock to freeze operation from the next clock cycle.
CKE should be enabled at least one cycle prior new command.
Disable input buffers for power down in standby.
A0 ~ A11
Address
Row / column address are multiplexed on the same pins.
Row address : RA0~RA11, column address : CA0~CA7
A12 , A13
Bank Select Address
Selects bank to be activated during row address latch time.
Selects bank for read / write during column address latch time.
RAS
Row Address Strobe
Latches row addresses on the positive going edge of the CLK with
RAS low.
Enables row access & precharge.
CAS
Column Address Strobe
Latches column address on the positive going edge of the CLK with
CAS low.
Enables column access.
WE
Write Enable
Enables write operation and row precharge.
Latches data in starting from CAS , WE active.
L(U)DQM
Data Input / Output Mask
Makes data output Hi-Z, t
SHZ
after the clock and masks the output.
Blocks data input when L(U)DQM active.
DQ0 ~ DQ15
Data Input / Output
Data inputs / outputs are multiplexed on the same pins.
VDD / VSS
Power Supply / Ground
Power and ground for the input buffers and the core logic.
VDDQ / VSSQ Data Output Power / Ground
Isolated power supply and ground for the output buffers to provide
improved noise immunity.
NC
No Connection
This pin is recommended to be left No Connection on the device.
L(U)DQM
DQ
Mode
Register
Control Logic
Column
Address
Buffer
&
Refresh
Counter
Row
Address
Buffer
&
Refresh
Counter
Bank D
Row Decode
r
Bank A
Bank B
Bank C
Sense Amplifier
Column Decoder
Data Control Circuit
Latch Circuit
Input & Out
put
Buf
fer
Address
Clock
Generator
CLK
CKE
Command Deco
der
CS
RAS
CAS
WE
126
DVD48
harman/kardon
Summary of Contents for DVD 48
Page 10: ...DVD 48 DVD 48 DVD 48 10...
Page 27: ...27 DVD48 harman kardon...
Page 28: ...28 DVD48 harman kardon...
Page 29: ...29 DVD48 harman kardon...
Page 53: ...53 DVD48 harman kardon...
Page 54: ...54 DVD48 harman kardon...
Page 55: ...55 DVD48 harman kardon...
Page 56: ...56 DVD48 harman kardon...
Page 57: ...57 DVD48 harman kardon...
Page 58: ...58 DVD48 harman kardon...
Page 62: ...62 DVD48 harman kardon...
Page 81: ...81 DVD48 harman kardon...
Page 82: ...82 DVD48 harman kardon...
Page 83: ...83 DVD48 harman kardon...
Page 84: ...84 DVD48 harman kardon...
Page 89: ...89 DVD48 harman kardon...
Page 90: ...90 DVD48 harman kardon...
Page 92: ...92 DVD48 harman kardon...
Page 93: ...93 DVD48 harman kardon...
Page 94: ...94 DVD48 harman kardon...
Page 95: ...95 DVD48 harman kardon...
Page 96: ...96 DVD48 harman kardon...
Page 97: ...97 DVD48 harman kardon...
Page 100: ...100 DVD48 harman kardon...
Page 101: ...101 DVD48 harman kardon...
Page 102: ...102 DVD48 harman kardon...
Page 103: ...103 DVD48 harman kardon...
Page 104: ...104 DVD48 harman kardon...
Page 105: ...105 DVD48 harman kardon...
Page 106: ...106 DVD48 harman kardon...
Page 107: ...107 DVD48 harman kardon...
Page 108: ...108 DVD48 harman kardon...
Page 109: ...109 DVD48 harman kardon...
Page 110: ...110 DVD48 harman kardon...
Page 111: ...111 DVD48 harman kardon...
Page 112: ...112 DVD48 harman kardon...
Page 113: ...113 DVD48 harman kardon...
Page 114: ...114 DVD48 harman kardon...
Page 115: ...115 DVD48 harman kardon...
Page 116: ...116 DVD48 harman kardon...
Page 117: ...117 DVD48 harman kardon...
Page 118: ...118 DVD48 harman kardon...
Page 119: ...119 DVD48 harman kardon...
Page 120: ...120 DVD48 harman kardon...
Page 121: ...121 DVD48 harman kardon...
Page 122: ...122 DVD48 harman kardon...
Page 123: ...123 DVD48 harman kardon...
Page 124: ...124 DVD48 harman kardon...
Page 130: ...130 DVD48 harman kardon...
Page 141: ...141 DVD48 harman kardon...
Page 167: ...167 DVD48 harman kardon...
Page 168: ...168 DVD48 harman kardon...
Page 169: ...P11971Z MP sch 1 Thu Mar 29 12 30 41 2007 for EMI 1 uF 169 DVD48 harman kardon...
Page 170: ...UP11971Z MP sch 2 Fri Mar 30 15 52 36 2007 170 DVD48 harman kardon...
Page 171: ...P11971Z MP sch 3 Fri Mar 30 15 55 10 2007 171 DVD48 harman kardon...
Page 172: ...P11971Z MP sch 4 Fri Mar 30 15 57 00 2007 172 DVD48 harman kardon...
Page 173: ...P11971Z MP sch 5 Fri Mar 30 15 59 18 2007 173 DVD48 harman kardon...
Page 174: ...174 DVD48 harman kardon...