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PDF WSF2816-39XX Data sheet ( Hoja de datos )

Número de pieza WSF2816-39XX
Descripción 128KX16 SRAM/512KX16 FLASH MODULE
Fabricantes White Electronic 
Logotipo White Electronic Logotipo



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White Electronic Designs
WSF2816-39XX
128KX16 SRAM/512KX16 FLASH MODULE
FEATURES
Access Times of 35ns (SRAM) and 90ns (FLASH)
Packaging
• 66 pin, PGA Type, 1.075" square HIP, Hermetic
Ceramic HIP (Package 400)
Built-in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
Weight:
WSF2816-39G2UX - 8 grams typical
• 68 lead, Hermetic CQFP (G2U), 22.4mm (0.880")
square (Package 510) 3.56mm (0.140") height.
Designed to fit JEDEC 68 lead 0.990” CQFJ
footprint (FIGURE 2)
128Kx16 SRAM
512Kx16 5V FLASH
Organized as 128Kx16 of SRAM and 512Kx16 of
Flash Memory with separate Data Buses
Both blocks of memory are User Configurable as
256Kx8
Low Power CMOS
Commercial, Industrial and Military Temperature
Ranges
WSF2816-39H1X - 13 grams typical
FLASH MEMORY FEATURES
100,000 Erase/Program Cycles
Sector Architecture
• 8 equal size sectors of 64K bytes each
• Any combination of sectors can be concurrently
erased. Also supports full chip erase
5 Volt Programming; 5V ± 10% Supply
Embedded Erase and Program Algorithms
Hardware Write Protection
Note: For programming information refer to Flash Programming 4M5 Application Note.
TTL Compatible Inputs and Outputs
FIGURE1 – PIN CONFIGURATION
FOR WSF2816-39H1X
Top View
1 12 23
34 45 56
SD8 SWE2# SD15
FD8 VCC FD15
SD9 SCS2# SD14
FD9 FCS2#
FD14
SD10
GND
SD13
FD10 FWE2#
FD13
A13
SD11
SD12
A6 FD11 FD12
A14 A10
OE#
A7 A3 A0
A15 A11
A17
NC A4 A1
A16 A12
SWE1#
A8 A5 A2
A18 VCC SD7
A9 FWE1#
FD7
SD0 SCS1# SD6
FD0 FCS1#
FD6
SD1 NC
SD5
FD1 GND
FD5
SD2 SD3
SD4
11 22
33
FD2
44
FD3 FD4
55 66
Pin Description
FD0-15
SD0-15
A0-18
SWE1-2#
SCS1-2#
OE#
VCC
GND
NC
FWE1-2#
FCS1-2#
Flash Data Inputs/Outputs
SRAM Data Inputs/Outputs
Address Inputs
SRAM Write Enable
SRAM Chip Selects
Output Enable
Power Supply
Ground
Not Connected
Flash Write Enable
Flash Chip Select
Block Diagram
OE#
A0-16
SWE1# SCS1#
SWE2# SCS2#
FWE1# FCS1#
FWE2# FCS2#
128K x 8
SRAM
128K x 8
SRAM
512K x 8
FLASH
512K x 8
FLASH
8
SD0-7
8
SD8-15
8
FD0-7
8
FD8-15
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
May 2003
Rev. 6
1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

1 page




WSF2816-39XX pdf
White Electronic Designs
WSF2816-39XX
ADDRESS
DATA I/O
FIGURE 4 – SRAM TIMING WAVEFORM — READ CYCLE
tRC
tAA
tOH
PREVIOUS DATA VALID
DATA VALID
READ CYCLE 1 (SCS# = OE# = VIL, SWE# = VIH)
ADDRESS
SCS#
SOE#
DATA I/O
tRC
tAA
tACS
tCLZ
tOE
tOLZ
HIGH IMPEDANCE
tCHZ
tOHZ
DATA VALID
READ CYCLE 2 (SWE# = VIH)
FIGURE 5 – SRAM WRITE CYCLE — SWE# CONTROLLED
ADDRESS
SCS#
SWE#
DATA I/O
tWC
tAW
tCW
tAH
tAS tWP
tWHZ
tOW
tDW tDH
DATA VALID
WRITE CYCLE 1, SWE# CONTROLLED
FIGURE 6 – SRAM WRITE CYCLE — SCS# CONTROLLED
ADDRESS
SCS#
tAS
tWC
tAW
tCW
tAH
SWE#
DATA I/O
tWP
tDW tDH
DATA VALID
WRITE CYCLE 2, SCS# CONTROLLED
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
May 2003
Rev. 6
5 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

5 Page





WSF2816-39XX arduino
White Electronic Designs
WSF2816-39XX
FIGURE 10 – AC WAVEFORMS FOR DATA# POLLING DURING EMBEDDED ALGORITHM
OPERATIONS FOR FLASH MEMORY
FCS#
tCH
OE#
FWE#
tOEH
D7
D0-D6
D7
tDF
tOE
tCE
tWHWH 1 or 2
D7#
D0-D6 = Invalid
tWHWH 1 or 2
D7
tOH
D7 =
Valid Data
D0-D7
Valid Data
tOE
D7
Valid Data
High Z
High Z
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
May 2003
Rev. 6
11 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

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