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EM7643SU16HY-70L Datasheet(PDF) 2 Page - Emerging Memory & Logic Solutions Inc

Part # EM7643SU16HY-70L
Description  4M x 16Bit Asynchronous / Page Mode StRAM
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Manufacturer  EMLSI [Emerging Memory & Logic Solutions Inc]
Direct Link  http://www.emlsi.com
Logo EMLSI - Emerging Memory & Logic Solutions Inc

EM7643SU16HY-70L Datasheet(HTML) 2 Page - Emerging Memory & Logic Solutions Inc

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EM7643SU16H
4Mx16 Async. / Page StRAM
2
Preliminary
Rev. 0.0
FEATURES
- Single power supply voltage of 2.6 to 3.3V
- Direct TTL compativility for all inputs and outputs.
- Deep power-down mode : Memory cell data invalid.
- Supplied in KGD(Known Good Die) form.
- Page operation mode
Page read operation by 8 words.
- Logic compatible with SRAM R/W pin.
- Standby Current
Standby 150 uA
Deep power-down standby 10uA
- Access Time
Access Time
65ns
CE1 Access Time
65ns
OE Access Time
25ns
Page Access Time
20NS
4M x16 Bit Async./Page StRAM
GENERAL DISCRIPTION
The EM7643SU16H is a 64M-bit StRAM organized as 4M
words by 16 bits. It provides high density, high speed and
low power. The device operates single power supply. The
device also features SRAM-like W/R timing whereby the
device is controlled by CE1, OE and WE on asynchro-
nous. The device has the page access operation. Page
size is 8 words. The device also supports deep power-
down mode, realizing low-power standby.
PAD DESCRIPTION
SYMBOL
DESCRIPTION
A0~A21
Address input
A0~A2
Page Address input
CE1
Chip Enable Input1, Low : Enable
CE2
Chip Enable Input2, High:Enable,
Low:Enter Power Down mode
WE
Write Enable input, Low :Enable
OE
Output Enable input, Low :Enable
LB
Lower byte write control
UB
Upper byte write control
DQ0~DQ15
Data inputs/outputs
VDD
Device Power supply
VSS
VSS must be connected ground
VDDQ
I/O Power supply
VSSQ
VSS must be connected ground
NC
Not Connection


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