參數(shù)資料
型號(hào): CY7C0851AV-167AXC
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: SRAM
英文描述: FLEx36™ 3.3V 32K/64K/128K/256K x 36 Synchronous Dual-Port RAM
中文描述: 64K X 36 DUAL-PORT SRAM, 4 ns, PQFP176
封裝: 24 X 24 MM, 1.40 MM HEIGHT, LEAD FREE, TQFP-176
文件頁(yè)數(shù): 20/32頁(yè)
文件大?。?/td> 971K
代理商: CY7C0851AV-167AXC
CY7C0850AV, CY7C0851AV
CY7C0852AV, CY7C0853AV
Document #: 38-06070 Rev. *H
Page 27 of 32
Figure 23. MailBox Interrupt Timing[46, 47, 48, 49, 50]
Table 7. Read/Write and Enable Operation (Any Port) [1, 8, 51, 52]
Inputs
Outputs
Operation
OE
CLK
CE0
CE1
R/W
DQ0 – DQ35
X
H
X
High-Z
Deselected
X
L
X
High-Z
Deselected
XL
H
L
DIN
Write
LL
H
DOUT
Read
H
X
L
H
X
High-Z
Outputs Disabled
Switching Waveforms (continued)
tCH2
tCL2
tCYC2
CLKL
tCH2
tCL2
tCYC2
CLKR
3FFFF
tSA
tHA
An+3
An
An+1
An+2
L_PORT
ADDRESS
Am
Am+4
Am+1
3FFFF
Am+3
R_PORT
ADDRESS
INTR
tSA
tHA
tSINT
tRINT
Notes
46. CE0 = OE = ADS = CNTEN = LOW; CE1 = CNTRST = MRST = CNT/MSK = HIGH.
47. Address “3FFFF” is the mailbox location for R_Port of a 9M device.
48. L_Port is configured for Write operation, and R_Port is configured for Read operation.
49. At least one byte enable (B0 – B3) is required to be active during interrupt operations.
50. Interrupt flag is set with respect to the rising edge of the Write clock, and is reset with respect to the rising edge of the Read clock.
51. OE is an asynchronous input signal.
52. When CE changes state, deselection and Read happen after one cycle of latency.
相關(guān)PDF資料
PDF描述
CY7C0851AV-167BBC FLEx36™ 3.3V 32K/64K/128K/256K x 36 Synchronous Dual-Port RAM
CY7C0852AV-133BBC FLEx36™ 3.3V 32K/64K/128K/256K x 36 Synchronous Dual-Port RAM
CY7C0851AV-133AXI FLEx36™ 3.3V 32K/64K/128K/256K x 36 Synchronous Dual-Port RAM
CY7C0851AV-133BBI FLEx36™ 3.3V 32K/64K/128K/256K x 36 Synchronous Dual-Port RAM
CY7C0851AV-167BBXC FLEx36™ 3.3V 32K/64K/128K/256K x 36 Synchronous Dual-Port RAM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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CY7C0851V-133AC 制造商:Rochester Electronics LLC 功能描述:64K X 36 SYNC DPSRAM - Bulk 制造商:Cypress Semiconductor 功能描述:
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