em784su16am Emlsi Inc., em784su16am Datasheet - Page 2

• Manufacturer Part Number: em784su16am
• Description: 512k X 16 Bit Pseudo Sram Specification
• Manufacturer: Emlsi Inc.

PRODUCT FAMILY
512Kb x16 Pseudo Static RAM Specification
GENERAL DESCRIPTION
The EM784SU16Ax is 8,388,608 bits of Pseudo SRAM which uses DRAM type memory cells, but this
device has refresh-free operation and extreme low power consumption technology. Furthermore the inter-
face is compatible to a low power Asynchronous type SRAM. The EM784SU16Ax is organized as 524,288
Words x 16 bit.
FUNCTION BLOCK DIAGRAM
FEATURES
- Organization :512K x16
- Power Supply Voltage : 2.6 ~ 3.3V
- Separated I/O power(VccQ) & Core power(Vcc)
- Three state outputs
- Byte read/write control by UB# / LB#
- Auto-TCSR for power saving
EM784SU16Ax
Part Number
A0~A18
DQ0~
DQ15
OE#
CS#
WE#
ZZ#
UB#
LB#
DECODER
CONTROL
ADDRESS
LOGIC
Din/Dout BUFFER
-25
Operating
o
Temp.
C to 85
o
C
Power Supply
Self-Refresh
2.6V to 3.3V
CONTROL
2
- EM784SU16AR support Non-page mode & DPD
- EM784SU16AL support 8 page mode & DPD
- EM784SU16AM support 8 page mode & Non-DPD
- EM784SU16AN support 16 page mode & DPD
- EM784SU16AP support 16 page mode & Non-DPD
- EM784SU16AS support Non-page mode & Non-DPD
Speed
70ns
(t
RC
)
(I
Standby
SB
90uA
, Max.)
512Kx16 Pseudo Static RAM
COLUMN SELECT
Power Dissipation
Memory Array
I/O CIRCUIT
( f = 1MHz)
512K X 16
EM784SU16Ax
Operating
I
5mA
CC1
I
CC
( f = f
( Max.)
25mA
I
CC2
max
)