參數(shù)資料
型號(hào): AD6652XBC
廠商: ANALOG DEVICES INC
元件分類(lèi): 通信及網(wǎng)絡(luò)
英文描述: SPECIALTY TELECOM CIRCUIT, PBGA256
封裝: 17 X 17 MM, MINI, BGA-256
文件頁(yè)數(shù): 75/76頁(yè)
文件大?。?/td> 1802K
代理商: AD6652XBC
AD6652
Preliminary Technical Data
Rev. PrC | Page 8 of 76
GENERAL TIMING CHARACTERISTICS
All timing specifications valid over VDD range of 2.25 V to 2.75 V and VDDIO range of 3.0 V to 3.6 V.
CLOAD = 40 pF on all outputs, unless otherwise specified.
Table 6.
AD6652
Parameter (Conditions)
Temp
Test
Level
Min
Typ
Max
Unit
CLK TIMING REQUIREMENTS
tCLK
CLK Period
Full
I
15.4
ns
tCLKL
CLK Width Low
Full
IV
6.2
tCLK/2
ns
tCLKH
CLK Width High
Full
IV
6.2
tCLK/2
ns
RESET TIMING REQUIREMENTS
tRESL
RESET Width Low
Full
I
30.0
ns
LEVEL INDICATOR OUTPUT SWITCHING CHARACTERISTICS
tDLI
↑CLK to LI (LIA, LIA; LIB, LIB) Output Delay Time
Full
IV
3.3
10.0
ns
SYNC TIMING REQUIREMENTS
tSS
SYNC(A,B,C,D) to
↑CLK Setup Time
Full
IV
2.0
ns
tHS
SYNC(A,B,C,D) to
↑CLK Hold Time
Full
IV
1.0
ns
PARALLEL PORT TIMING REQUIREMENTS (MASTER MODE)
Switching Characteristics1
tDPOCLKL
↓CLK to ↑PCLK Delay (Divide-by-1)
Full
IV
6.5
10.5
ns
tDPOCLKLL
↓CLK to ↑PCLK Delay (Divide-by-2, -4, or -8)
Full
IV
8.3
14.6
ns
tDPREQ
↑PCLK to ↑PxREQ Delay
1.0
tDPP
↑PCLK to Px[15:0] Delay
0.0
Input Characteristics
tSPA
PxACK to
↓PCLK Setup Time
7.0
ns
tHPA
PxACK to
↓PCLK Hold Time
3.0
ns
PARALLEL PORT TIMING REQUIREMENTS (SLAVE MODE)
Switching Characteristics 1
tPOCLK
PCLK Period
Full
I
12.5
ns
tPOCLKL
PCLK Low Period (when PCLK Divisor = 1)
Full
IV
2.0
0.5 × tPOCLK
ns
tPOCLKH
PCLK High Period (when PCLK Divisor = 1)
Full
IV
2.0
0.5 × tPOCLK
ns
tDPREQ
↑PCLK to ↑PxREQ Delay
10.0
ns
tDPP
↑PCLK to Px[15:0] Delay
11.0
ns
Input Characteristics
tSPA
PxACK to
↓PCLK Setup Time
IV
1.0
ns
tHPA
PxACK to
↓PCLK Hold Time
IV
1.0
ns
LINK PORT TIMING REQUIREMENTS
Switching Characteristics3
tRDLCLK
↑PCLK to ↑LxCLKOUT Delay
Full
IV
2.5
ns
tFDLCLK
↓PCLK to ↓LxCLKOUT Delay
Full
IV
0
ns
tRLCLKDAT
↑LCLKOUT to Lx[7:0] Delay
Full
IV
0
2.9
ns
tFLCLKDAT
↓LCLKOUT to Lx[7:0] Delay
Full
IV
0
2.2
ns
1 The timing parameters for Px[15:0], PxREQ and PxACK apply for Port A and B (x stands for A or B).
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