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PDF EM512D16 Data sheet ( Hoja de datos )
| Número de pieza | EM512D16 | |
| Descripción | 512K x 16-Bit Ultra-Low Power Asynchronous SRAM | |
| Fabricantes | NanoAmp Solutions | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de EM512D16 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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NanoAmp Solutions, Inc.
1982 Zanker Road, San Jose, CA 95112
ph: 408-573-8878, FAX: 408-573-8877
www.nanoamp.com
EM512D16
Advance Information
EM512D16
512Kx16 bit Ultra-Low Power Asynchronous Static RAM
Overview
The EM512D16 is an integrated memory device
containing a low power 8 Mbit Static Random
Access Memory organized as 524,288 words by 16
bits. The base design is the same as NanoAmp’s
standard low voltage version, EM512W16. The
device is fabricated using NanoAmp’s advanced
CMOS process and high-speed/ultra low-power/
low-voltage circuit technology. The device pinout is
compatible with other standard 512K x 16 SRAMs.
The device is designed such that a creative user
can improve system power and performance
parameters through use of it’s unique page mode
operation.
FIGURE 1: Pin Configuration
1
A LB
23456
OE A0 A1 A2 CE2
B I/O 8 U B A 3 A 4 CE1 I/O 0
C I/O 9 I/O10 A 5
A 6 I/O 1 I/O 2
D VS S I/O11 A 17 A 7 I/O 3 VCC
E VCCQ I/O12 N C A 16 I/O 4 VS S
F I/O14 I/O13 A 14 A 15 I/O 5 I/O 6
G I/O15 N C A 12 A 13 WE I/O 7
H A18 A8 A9 A10 A11 NC
48 Pin BGA (top)
Features
• Dual Voltage for Optimum Performance:
Vccq - 2.3 to 3.6 Volts
Vcc - 1.7 to 2.2 Volts
• Extended Temperature Range:
-40 to +85 oC
• Fast Cycle Time:
Random Access < 70 ns
Page Mode < 25 ns
• Very Low Operating Current:
ICC < 5 mA typical at 2V, 10 Mhz
• Very Low Standby Current:
ISB < 2 uA @ 55 oC
• 16 Word Fast Page-Mode Operation
• 48-Pin BGA or Known Good Die available
TABLE 1: Pin Descriptions
Pin Name
A0-A 18
WE
CE1, CE2
OE
UB
LB
I/O0-I/O 15
VCC
VCCQ
VSS
NC
Pin Function
Address Inputs
Write Enable Input
Chip Enable Inputs
Output Enable Input
Upper Byte Enable Input
Lower Byte Enable Input
Data Inputs/Outputs
Power
Power I/O pins only
Ground
Not Connected
FIGURE 1: Typical Operating Envelope (Serial R/W Mix)
12.5
10.0
7.5
2.0 Volts
5.0
2.5
0.0
0
Stock No. 23144-B 3/01
2.5 5.0 7.5 10.0
Operating Frequency (Mhz)
12.5
Advance - Subject to Change Without Notice
15.0
1
1 page  
NanoAmp Solutions, Inc.
FIGURE 4: Timing of Read Cycle (1) (CE = OE = VIL, WE = VIH)
tRC, tRCW
Address
tAA, tAAW
tOH
EM512D16
Advance Information
Data Out
Previous Data Valid
Data Valid
FIGURE 5: Timing Waveform of Read Cycle (2) (WE = VIH)
tRC, tRCW
Address
tAA, tAAW
tHZ(1,2)
CE1
tCO
CE2
OE#
LB , UB
Data Out
tLZ(2)
tOE
tOLZ
tLBLZ, tUBLZ
High-Z
tLB, tUB
tOHZ(1)
tLBHZ, tUBHZ
Data Valid
Stock No. 23144-B 3/01
Advance - Subject to Change Without Notice
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet EM512D16.PDF ] | |
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