ring COUNTER
Abstract: AN-69 IDT72211 IDT72215 IDT72225
Text: Integrated Device Technology, Inc. DEPTH EXPANSION OF IDT'S SYNCHRONOUS FIFOs USING THE RING COUNTER APPROACH APPLICATION NOTE AN-69 By Bhanu V. R. Nanduri INTRODUCTION This application note describes a concise design approach to expand in depth IDT’s synchronous FIFOs. As an example
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AN-69
IDT72211
IDT72211
20R8s.
ring COUNTER
AN-69
IDT72215
IDT72225
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XAPP698
Abstract: XC2064 XC2VP100 XC2VP20 XC2VP30 XC2VP40 XC3090 XC4005 XC5210
Text: Mesh Fabric Reference Design Application Note XAPP698 v1.2 February 15, 2005 R R "Xilinx" and the Xilinx logo shown above are registered trademarks of Xilinx, Inc. Any rights not expressly granted herein are reserved. CoolRunner, RocketChips, Rocket IP, Spartan, StateBENCH, StateCAD, Virtex, XACT, XC2064, XC3090, XC4005, and XC5210 are
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XAPP698
XC2064,
XC3090,
XC4005,
XC5210
XAPP698
XC2064
XC2VP100
XC2VP20
XC2VP30
XC2VP40
XC3090
XC4005
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CY7C371
Abstract: CY7C4421 CY7C4425 depth expansion fifo pointer read write four
Text: Depth Expansion of Synchronous FIFOs Introduction Applications often require FIFO buffers deeper than those offered by discrete devices. By depth expanding multiple devices, a logically deeper FIFO can be constructed. The synchronous FIFO family offers two approaches to this common
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CY7C42x5
CY7C42x1
CY7C4425,
CY7C371
CY7C4421
CY7C4425
depth expansion fifo pointer read write four
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fifo vhdl
Abstract: synchronous fifo CY7C371 CY7C4421 CY7C4425 depth expansion fifo pointer read write four
Text: fax id: 5507 Depth Expansion of Synchronous FIFOs Introduction Applications often require FIFO buffers deeper than those offered by discrete devices. By depth expanding multiple devices, a logically deeper FIFO can be constructed. The synchronous FIFO family offers two approaches to this common
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CY7C42x5
CY7C42x1
CY7C4425,
fifo vhdl
synchronous fifo
CY7C371
CY7C4421
CY7C4425
depth expansion fifo pointer read write four
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68-PIN
Abstract: LH540215 LH540225 D1591
Text: LH540215/25 512 x 18 / 1024 × 18 Synchronous FIFO • May be Cascaded for Increased Depth, or FEATURES Paralleled for Increased Width • Fast Cycle Times: 20/25/35 ns • Pin-Compatible Drop-In Replacements for • Five Status Flags: Full, Almost-Full, Half-Full,
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LH540215/25
IDT72215B/25B
64TQFP
64-pin
68-pin
PLCC68-P-S950)
TQFP-64-P-1414)
LH540215
LH540225
D1591
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25bco
Abstract: LH540215 LH540225 GAL20ra10
Text: LH540215/25 512 x 18 / 1024 × 18 Synchronous FIFO • May be Cascaded for Increased Depth, or FEATURES Paralleled for Increased Width • Fast Cycle Times: 20/25/35 ns • Pin-Compatible Drop-In Replacements for • 16-mA-IOL Three-State Outputs • Five Status Flags: Full, Almost-Full, Half-Full,
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LH540215/25
16-mA-IOL
IDT72215B/25B
68PLCC-1
68-pin,
950-mil
68-pin
PLCC68-P-S950)
25bco
LH540215
LH540225
GAL20ra10
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QS72215
Abstract: DESIGN AND IMPLEMENTATION OF SYNCHRONOUS FIFO QS32383 QS3383
Text: QS72215, QS72225 High-Speed CMOS High Speed CMOS 512Bus x 18,Exchange 1K x 18 Parallel Clocked SwitchesFIFO Q QS3383 QS72215 QS32383 QS72225 FEATURES • CMOS dual-port SRAM technology, 512 x 18 or 1024 x 18 • Fast cycle times: 20/25/35 ns • Choice of standard or enhanced operating
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QS72215,
QS72225
512Bus
QS3383
QS72215
QS32383
QS72215
DESIGN AND IMPLEMENTATION OF SYNCHRONOUS FIFO
QS32383
QS3383
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LH540235
Abstract: LH540245 LH543620
Text: LH540235/45 2048 x 18 / 4096 × 18 Synchronous FIFOs • May be Cascaded for Increased Depth, or FEATURES Paralleled for Increased Width • Fast Cycle Times: 20/25/35 ns • Pin-Compatible Drop-In Replacements for • 16 mA-IOL High-Drive Three-State Outputs
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LH540235/45
IDT72235B/45B
64TQFP
64-Pin
68-Pin
PLCC68-P-S950)
LH540245U-20
LH540235
LH540245
LH543620
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IDT72401
Abstract: IDT72403
Text: IDT72401 IDT72403 CMOS PARALLEL FIFO 64 x 4 and 64 x 5 FEATURES: • • • • • • • • • • • • • • • • has an Output Enable OE pin. The FlFOs accept 4-bit data at the data input (D0-D3). The stored data stack up on a first-in/first-out basis.
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IDT72401
IDT72403
SO16-1
MIL-STD-883,
IDT72401
IDT72403
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IDT72401
Abstract: IDT72402 IDT72403 IDT72404
Text: IDT72401 IDT72402 IDT72403 IDT72404 CMOS PARALLEL FIFO 64 x 4-BIT AND 64 x 5-BIT Integrated Device Technology, Inc. FEATURES: • • • • • • • • • • • • • • • • • First-ln/First-Out Dual-Port memory 64 x 4 organization IDT72401/03
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IDT72401
IDT72402
IDT72403
IDT72404
IDT72401/03)
IDT72402/04)
IDT72401/02
MMI67401/02
175mW
45MHz
IDT72401
IDT72402
IDT72403
IDT72404
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Untitled
Abstract: No abstract text available
Text: IDT72401 IDT72403 CMOS PARALLEL FIFO 64 x 4 and 64 x 5 FEATURES: • • • • • • • • • • • • • • • • • First-ln/First-Out memories organized 64 words by 4 bits. The IDT72403 also has an Output Enable OE pin. The FlFOs accept 4-bit data at the data input
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IDT72401
IDT72403
IDT72401/72403)
175mW
45MHz
IDT72403
MlL-STD-883,
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Untitled
Abstract: No abstract text available
Text: AN-26: Q S722X5 FAMILY, DESIGNER-FRIENDLY, 18-BIT-W IDE CLOCKED FIFOS Q The QS722X5 Family: — i- • . Designer-Friendly, 18-Bit-Wide Clocked FIFOs INTRODUCTION The new Quality Sem iconductor QS722X5farnily 18-bit-wide First-In, First-Out memories FIFOs are high-speed, synchronous digital
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AN-26:
S722X5
18-BIT-W
QS722X5
18-Bit-Wide
QS722X5farnily
MAPN-00026-00
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RJH 32
Abstract: No abstract text available
Text: 512 x 18/1024 x 18 Synchronous FIFO FEATURES • May be Cascaded for Increased Depth, or Paralleled for Increased Width • Fast Cycle Times: 20/25/35 ns • 16-mA-l<x Three-State Outputs • Pin-Compatible Drop-In Replacements for IDT72215B/25B FIFOs • Choice of IDT-Compatible or Enhanced Operating
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IDT72215B/25B
LH540215/25
68PLCC
PLCC68-P-950)
68-pin,
950-mil
LH540215/25
68-pin
PLCC68-P-S950)
RJH 32
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Untitled
Abstract: No abstract text available
Text: QS7223, QS7224 2Kx9a 4Kx9: High Speed CMOS 9-bit Clocked FIFO Q QS7223 QS7224 1 MPnABDM v^ INFORMATION FEATURES/BENEFITS • Clocked interface FIFOs for high speed systems • Data and flags change on rising edge of clocks • Fully Asynchronous Read and Write
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QS7223,
QS7224
QS7223
28-pin
QS7223
QS7224
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Untitled
Abstract: No abstract text available
Text: QS72215, QS72225 Q High-Speed CMOS 512 X 1 8 ,1K X 18 Parallel Synchronous FIFO QS72215 QS72225 FEATURES • Fast Cycle Times 20/25/35 ns • Pin-Compatible Drop-In Replacements for IDT72215LB/25LB FIFO's • Choice of Standard or Enhanced Operating Mode • Device Comes Up into One of Two Known Default
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QS72215,
QS72225
QS72215
IDT72215LB/25LB
68-PIN,
MDSF-00015-01
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Untitled
Abstract: No abstract text available
Text: QS72215, QS72225 Q High-Speed. . .CMOS 512x 1 8, 1 K x 1 8 Parallel Clocked FIFO ne7, . 1c QS72215 QS72225 FEATURES • CMOS dual-port SRAM technology, 512 x 18 or 1024x 18 • Fast cycle times: 20/25/35 ns • Choice of standard or enhanced operating mode
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QS72215,
QS72225
QS72215
1024x
MDSF-00015
MDSF-00015-01
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Untitled
Abstract: No abstract text available
Text: QS72215, QS72225 Ô High-Speed CMOS 512 x 1 8 ,1K x 18 Parallel Clocked FIFO QS72215 QS72225 FEATURES • CMOS dual-port SRAM technology, 512 x 18 or 10 24x 18 • Fast cycle times: 20/25/35 ns • Choice of standard or enhanced operating mode • Device comes up into one of two known default
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QS72215,
QS72225
QS72215
MDSF-00015-02
74bbfl03
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diode 7654
Abstract: No abstract text available
Text: QS7223, Q QS7224 2K x 9" QS7223 4Kx9: QS7224 advance INFORMATION High Speed CMOS 9-bit Clocked FIFO FEATURES/BENEFITS • • • • • Clocked interface FIFOs for high speed systems Data and flags change on rising edge of clocks Fully Asynchronous Read and Write
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QS7223,
QS7224
QS7223
QS7224
28-pin
diode 7654
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Untitled
Abstract: No abstract text available
Text: LH540215/25 FEATURES 512 x 18 /1 0 2 4 x 18 Synchronous FIFO • May be Cascaded for Increased Depth, or Paralleled for Increased Width • Fast Cycle Times: 20/25/35 ns • Five Status Flags: Full, Almost-Full, Half-Full, Almost-Empty, and Empty; ‘Almost’ Flags are
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LH540215/25
IDT72215B/25B
Synchrono25
64TQFP
TQFP-64-P-1414)
LH540215/25
68-pin
PLCC68-P-S950)
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Untitled
Abstract: No abstract text available
Text: LH540215/25 SHARP 512 x 18/1024 x 18 Synchronous FIFO Data Sheet • May be Cascaded for Increased Depth, or Paralleled for Increased Width FEATURES • Fast Cycle Times: 20/25/35 ns • 16-mA-loL Three-State Outputs • Pin-Compatible Drop-In Replacements for
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LH540215/25
IDT72215B/25B
J63428
SMT91009
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Untitled
Abstract: No abstract text available
Text: LH540235/45 FEATURES • Fast Cycle Times: 20/25/35 ns • Pin-Compatible Drop-In Replacements for IDT72235B/45B FIFOs • Choice of IDT-Compatible or Enhanced Operating Mode; Selected by an Input Control Signal • Device Comes Up into One of Two Known Default
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LH540235/45
IDT72235B/45B
64-Pin
LH540
68-Pin
PLCC68-P-S950)
LH540245U-20
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PEm 0549
Abstract: No abstract text available
Text: SH A R P Data Sheet LH540235/45 2048 x 18 / 4096 x 18 Synchronous FIFOs FEATURES • Fast Cycle Times: 20/25/35 ns • Pin-Compatible Drop-In Replacements for IDT72235B/45B FIFOs • May be Cascaded for Increased Depth, or Paralleled for Increased Width •
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IDT72235B/45B
LH540235/45
36-Bit
J63428
PEm 0549
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Untitled
Abstract: No abstract text available
Text: CMOS PARALLEL FIFO 64 x 4-BIT AND 64 x 5-BIT FEATURES: • First-In/First-Out dual-port memory • 64 x 4 organization IDT72401/03 • 64 x 5 organization (IDT72402/04) • IDT72401/02 pin and functionally compatible with MM 167401/02 • RAM-based FIFO with low fall-through time
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IDT72401/03)
IDT72402/04)
IDT72401/02
175mW
45MHz
IDT72403/04
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Untitled
Abstract: No abstract text available
Text: CMOS PARALLEL FIFO 64 x 4-BIT AND 64 x 5-BIT FEATURES: • • • • • • • • • • • • • • • • • IDT72401 IDT72402 IDT72403 IDT72404 O utput Enable QE pin. The FIFOs accept 4-bit or 5-bit data at the data input (Do-D3,4). The stored data stack up on a firstin/first-out basis.
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IDT72401
IDT72402
IDT72403
IDT72404
IDT72401/03)
IDT72402/04)
IDT72401/02
I67401/02
175mW
45MHz
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