Internally synchronized registered outputs eliminate the
need to control
OE
Single R/W (READ/WRITE) control pin
◆
◆
◆
◆
◆
◆
◆
Positive clock-edge triggered address, data, and control
signal registers for fully pipelined applications
4-word burst capability (interleaved or linear)
Individual byte write (BW
1
-
BW
4
) control (May tie active)
Three chip enables for simple depth expansion
Single 3.3V power supply (±5%)
Packaged in a JEDEC standard 100-pin TQFP package
Green parts available, see Ordering Information
Functional Block Diagram
LBO
Address A [0:16]
CE
1
, CE
2
,
CE
2
R/W
CEN
ADV/LD
BWx
D
Clk
D
Q
Control
D
Q
128K x 36 BIT
MEMORY ARRAY
Address
Input Register
DI
DO
Q
Control Logic
Mux
Sel
D
Clk
Clock
Output Register
Q
OE
Gate
3821 drw 01
.
DSC-3821/07
Data I/O [0:31], I/O P[1:4]
ZBT and Zero Bus Turnaround are trademarks of Integrated Device Technology, Inc. and the architecture is supported by Micron Technology and Motorola Inc.
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