CY7C43682AV-10AC Cypress Semiconductor Corporation., CY7C43682AV-10AC Datasheet

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CY7C43682AV-10AC

Manufacturer Part Number
CY7C43682AV-10AC
Description
3.3V SYNC X36 BIDIRECTIONAL FIFO
Manufacturer
Cypress Semiconductor Corporation.
Datasheet
Cypress Semiconductor Corporation
Document #: 38-06020 Rev. *C
Features
Logic Block Diagram
EFA/ORA
• 3.3V high-speed, low-power, bidirectional, First-In
• 1K ×36 ×2 (CY7C43642AV)
• 4K x36 x2 (CY7C43662AV)
• 16K x36 x2 (CY7C43682AV)
• 0.25-micron CMOS for optimum speed/power
• High-speed 133-MHz operation (7.5-ns Read/Write
FFA/IRA
MRST1
First-Out (FIFO) memories
cycle times)
CLKA
W/RA
A
MBA
CSA
ENA
AEA
RT2
AFA
0–35
FS0
FS1
MBF2
FIFO1,
Mail1
Reset
Logic
Port A
Control
Logic
Programmable
Flag Offset
Registers
3901 North First Street
Write
Pointer
Write
Pointer
3.3V 1K/4K/16K x36 x2 Bidirectional
1K/4K/16K
Dual Ported
Memory
(FIFo2)
Status
Flag Logic
Flag Logic
Mail2
Register
1K/4K/16K
Dual Ported
Memory
(FIFO1)
Mail1
Register
Status
× 36
× 36
Timing
Mode
Read
Pointer
Read
Pointer
• Low power
• Fully asynchronous and simultaneous Read and Write
• Mailbox bypass register for each FIFO
• Parallel Programmable Almost Full and Almost Empty
• Retransmit function
• Standard or FWFT user-selectable mode
• 120-pin TQFP package
• Easily expandable in width and depth
operations permitted
flags
— I
— I
CC
SB
= 60 mA
= 10 mA
San Jose
Synchronous FIFO
CA 95134
Revised December 26, 2002
Port B
Control
Logic
CY7C43642AV
CY7C43662AV
CY7C43682AV
FIFO2,
Mail2
Reset
Logic
408-943-2600
FWFT/STAN
MRST2
MBF1
CLKB
CSB
W/RB
ENB
MBB
RT1
EFB/ORB
AEB
B
FFB/IRB
AFB
0–35
[+] Feedback

Related parts for CY7C43682AV-10AC

CY7C43682AV-10AC Summary of contents

Page 1

... Features • 3.3V high-speed, low-power, bidirectional, First-In First-Out (FIFO) memories • 1K ×36 ×2 (CY7C43642AV) • 4K x36 x2 (CY7C43662AV) • 16K x36 x2 (CY7C43682AV) • 0.25-micron CMOS for optimum speed/power • High-speed 133-MHz operation (7.5-ns Read/Write cycle times) Logic Block Diagram CLKA CSA Port A W/RA Control Logic ...

Page 2

... GND GND CY7C43642/ 62/82AV –15 Unit 66.7 MHz CY7C43682AV 16K × 36 ×2 120 TQFP Page [+] Feedback ...

Page 3

... FIFO2 is less than or equal to the value in the Almost Full B offset [1] register, Y2. During Master Reset. A HIGH on FWFT selects CY Standard mode, a LOW selects First -Word Fall-Through mode. Once the timing mode has been selected, the level on FWFT/STAN must be static throughout device operation. CY7C43642AV CY7C43662AV CY7C43682AV [1] Page [+] Feedback ...

Page 4

... FIFO1. Four LOW-to-HIGH transitions of CLKA and four LOW-to-HIGH transitions of CLKB must occur while MRST1 is LOW. CY7C43642AV CY7C43662AV CY7C43682AV outputs available 0–35 outputs available 0–35 Page ...

Page 5

... LOW-to-HIGH transition of CLKA. The A 0–35 when W/RA is HIGH. A LOW selects a Write operation and a HIGH selects a Read operation on Port B for a LOW-to-HIGH transition of CLKB. The B 0–35 when W/RB is LOW. CY7C43642AV CY7C43662AV CY7C43682AV outputs are in the high-impedance state outputs are in the high-impedance state Page [+] Feedback ...

Page 6

... The highest numbered input is used as the most significant bit of the binary number in each case. Valid programming values for the registers range from 0 to 1023 for the CY7C43642AV 4095 for the CY7C43662AV 16383 for the [1] CY7C43682AV. After all the offset ...

Page 7

... Y1 for AFA and or greater register Y2 for AFB. These registers are loaded with preset SKEW1 values during a FIFO reset, programmed from Port A, or CY7C43642AV CY7C43662AV CY7C43682AV or greater after the SKEW1 [1] or greater after SKEW2 Page [+] Feedback ...

Page 8

... X Programming via Port A CLKA A 0– high-impedance state X In high-impedance state In high-impedance state In high-impedance state X Active, FIFO2 output register CY7C43642AV CY7C43662AV CY7C43682AV af- RTR [3] X2 and Y2 Registers Programming via Port A Port Function None None FIFO1 Write Mail1 Write ...

Page 9

... EFA/ORA ( [16384 – H (Y2 + 1)] H 16383 16384 H CY7C43642AV CY7C43662AV CY7C43682AV FIFO2 Read None Mail2 Read (set MBF2 HIGH) Port Function None None FIFO2 Write Mail2 Write None FIFO1 Read None Mail1 Read (set MBF1 HIGH) Synchronized to CLKA ...

Page 10

... Max < V < Commercial Industrial Commercial Industrial Test Conditions ° MHz 3.3V CC CY7C43642AV CY7C43662AV CY7C43682AV [13 ° 0°C to +70 C 3.3V ± 10% ° ° +85 C 3.3V ± 10% CY7C43642/62/82AV Min. Max. Unit 2.4 V 0 –0.5 0.8 V –10 ...

Page 11

... ALL INPUT PULSES 3.0V 10% GND 3 ns CY7C43642/ 62/82AV –7 Min. Max. 7.5 3.5 3.5 before 3 0– after CLKB 0 0– CY7C43642AV CY7C43662AV CY7C43682AV 90% 90% 10 90% 90% 10 CY7C43642/ CY7C43642/ 62/82AV 62/82AV –10 –15 Min. Max. Min. Max. Unit 133 100 67 MHz ...

Page 12

... Active and CSB 1 0–35 Active 0– 0–35 0–35 90 outputs are active and MBB is HIGH. 0–35 outputs are active and MBA is HIGH. 0–35 CY7C43642AV CY7C43662AV CY7C43682AV CY7C43642/ CY7C43642/ 62/82AV 62/82AV –10 –15 Max. Min. Max. Min. Max. Unit ...

Page 13

... RSF RSF t WFF t t ENH ENS AEB Offset (X1) AFA Offset (Y1) AFB Offset (Y2) , then FFB/IRB may transition HIGH one cycle later than shown. SKEW1 CY7C43642AV CY7C43662AV CY7C43682AV t FWS t WFF [24] t SKEW1 AEA Offset (X2) First Word to FIFO1 t WFF Page [+] Feedback ...

Page 14

... ENH ENS [25] [25 ENS ENH t t ENS ENH t t ENS ENH ENH ENS ENH ENS [27] [27 ENS DIS ENS CY7C43642AV CY7C43662AV CY7C43682AV t t ENS ENH t t ENS ENH Page [+] Feedback ...

Page 15

... CLKL ENS ENH ENS ENH [30] Previous Data [30] W2 [30 ENS DIS ENS CY7C43642AV CY7C43662AV CY7C43682AV t t ENS Operation A DIS [28 DIS A [28 ENS ENH t No Operation A DIS [30 DIS [30] ...

Page 16

... CLKB cycle later than shown. Document #: 38-06020 Rev CLK t t CLKH CLKL [31 CLKH CLKL t t REF CLK t A CY7C43642AV CY7C43662AV CY7C43682AV t REF t t ENS ENH W1 , then the transition of ORB HIGH and load SKEW1 Page [+] Feedback ...

Page 17

... CLKA edge and rising CLKB edge is less than t Document #: 38-06020 Rev CLK t t CLKH CLKL t [32] t CLKH CLKL REF REF CLK t t ENS ENH then the transition of EFB HIGH may occur one CLKB cycle later than shown. SKEW1 CY7C43642AV CY7C43662AV CY7C43682AV [32] W1 Page [+] Feedback ...

Page 18

... CLKA cycle later than shown. Document #: 38-06020 Rev CLK t t CLKH CLKL t t CLKH CLKL t t REF CLK t ENS t A CY7C43642AV CY7C43662AV CY7C43682AV [33] t REF t ENH W1 , then the transition of ORA HIGH and load SKEW1 Page [+] Feedback ...

Page 19

... CLKB edge and rising CLKA edge is less than t Document #: 38-06020 Rev CLK t t CLKH CLKL t t [35] CLKH CLKL t t REF t REF CLK t t ENS ENH then the transition of EFA HIGH may occur one CLKA cycle later than shown. SKEW1 CY7C43642AV CY7C43662AV CY7C43682AV W1 Page [+] Feedback ...

Page 20

... Document #: 38-06020 Rev. *C Next Word From FIFO1 t t [36] CLKH CLKL t t WFF t WFF CLK t t ENS ENH t t ENS ENH FIFO1 , then IRA may transition HIGH one CLKA cycle later than shown. SKEW1 CY7C43642AV CY7C43662AV CY7C43682AV Page [+] Feedback ...

Page 21

... Document #: 38-06020 Rev. *C Next Word From FIFO1 [37 CLKH CLKL t t WFF WFF t CLK t t ENS ENH t t ENS ENH then the transition of FFA HIGH may occur one CLKA cycle later than shown. SKEW1 CY7C43642AV CY7C43662AV CY7C43682AV Page [+] Feedback ...

Page 22

... Document #: 38-06020 Rev. *C Next Word From FIFO2 t t [38] CLKH CLKL t t WFF t WFF CLK t t ENH ENS t t ENS ENH FIFO2 , then the transition of IRB HIGH may occur one CLKB cycle later than shown. SKEW1 CY7C43642AV CY7C43662AV CY7C43682AV Page [+] Feedback ...

Page 23

... Document #: 38-06020 Rev. *C Next Word From FIFO2 t t [39] CLKH CLKL t t WFF WFF t CLK t t ENS ENH t t ENS ENH FIFO2 , then the transition of FFB HIGH may occur one CLKB cycle later than shown. SKEW1 CY7C43642AV CY7C43662AV CY7C43682AV Page [+] Feedback ...

Page 24

... PAE ( Words in FIFO2 t ENS , then AEB may transition HIGH one CLKB cycle later than shown. SKEW2 , then AEA may transition HIGH one CLKA cycle later than shown. SKEW2 CY7C43642AV CY7C43662AV CY7C43682AV [1, 40, 41] X1 Words in FIFO t PAE t t ENH ENS t ENH ...

Page 25

... FIFO1 Port A Write (CSA = LOW, W/RA = HIGH, MBA = LOW), FIFO1 Port B Read (CSB = LOW, W/RB = HIGH, MBB = LOW). Data in the FIFO1 output register has been Read from the FIFO. 45 Maximum FIFO Depth = 1K for the CY7C43642AV, 4K for the CY7C43662AV, and 16K for the CY7C43682AV. 46 the minimum time between a rising CLKA edge and a rising CLKB edge for AFA to transition HIGH in the next CLKA cycle ...

Page 26

... CLKB MBF1 CSB [29] W/RB MBB ENB FIFO1 Output Register Document #: 38-06020 Rev ENH t ENS t ENH t ENH t ENH PMF MDV PMR W1 (Remains valid in Mail1 Register after Read) CY7C43642AV CY7C43662AV CY7C43682AV t PMF t ENH ENS t DIS Page [+] Feedback ...

Page 27

... Document #: 38-06020 Rev ENH t ENH t ENH t ENH PMF t ENS t t MDV PMR W1 (Remains valid in Mail2 Register after Read) after the RT1 rising edge. RTR to update these flags. RTR CY7C43642AV CY7C43662AV CY7C43682AV t PMF t ENH t DIS t RSTH t RTR . RTR Page [+] Feedback ...

Page 28

... Ordering Code 7 CY7C43662AV-7AC 10 CY7C43662AV-10AC 15 CY7C43662AV-15AC 3.3V 16K ×36 ×2 Bidirectional Synchronous FIFO Speed (ns) Ordering Code 7 CY7C43682AV-7AC 10 CY7C43682AV-10AC 15 CY7C43682AV-15AC 10 CY7C43682AV-10AI Document #: 38-06020 Rev. *C Package Name Package Type A120 120-lead Thin Quad Flat Package A120 120-lead Thin Quad Flat Package A120 120-lead Thin Quad Flat Package ...

Page 29

... The inclusion of Cypress Semiconductor products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress Semiconductor against all charges. CY7C43642AV CY7C43662AV CY7C43682AV 51-85100 Page [+] Feedback ...

Page 30

... Document Title: CY7C43642AV, CY7C43662AV, CY7C43682AV 3.3V 1K/4K/16K ×36 ×2 Bidirectional Synchronous FIFO Document Number: 38-06020 REV. ECN NO. Issue Date ** 107503 05/24/01 *A 109945 02/06/02 *B 117211 08/26/02 *C 122272 12/26/02 Document #: 38-06020 Rev. *C Orig. of Change Description of Change KTM Change from Spec #: 38-00775 to 38-06020 FSG Preliminary to final OOR Added footnote to retransmit timing ...

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