t1 = t
參數(shù)資料
型號(hào): IDT5V9885TPFGI
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 18/39頁(yè)
文件大小: 0K
描述: IC CLOCK GEN PLL 500MHZ 32TQFP
標(biāo)準(zhǔn)包裝: 250
類型: *
PLL: 帶旁路
輸入: LVCMOS,LVTTL
輸出: LVCMOS,LVDS,LVPECL,LVTTL
電路數(shù): 1
比率 - 輸入:輸出: 2:6
差分 - 輸入:輸出: 無/是
頻率 - 最大: 500MHz
除法器/乘法器: 是/無
電源電壓: 3 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-LQFP
供應(yīng)商設(shè)備封裝: 32-TQFP(7x7)
包裝: 管件
其它名稱: 800-2579
25
INDUSTRIALTEMPERATURERANGE
IDT5V9885T
3.3V EEPROMPROGRAMMABLECLOCKGENERATOR
Standard JTAG Timing
NOTE:
t1 = tTCLKLOW
t2 = tTCLKHIGH
t3 = tTCLKFALL
t4 = tTCLKRISE
t5 = tRST (reset pulse width)
t6 = tRSR (reset recovery)
TCLK
TDI/TMS
TDO
TRST
tTCLK
t1
t2
t3
t4
t5
t6
tDS
tDH
tDO
TDO
JTAG
AC ELECTRICAL CHARACTERISTICS
NOTE:
1. Guaranteed by design.
SYSTEM INTERFACE PARAMETERS
Symbol
Parameter
Min.
Max.
Units
tDO
Data Output(1)
20
ns
tDOH
Data Output Hold(1)
0
ns
tDS
Data Input, tRISE = 3ns
10
ns
tDH
Data Input, tFALL = 3ns
10
ns
NOTE:
1. 50pF loading on external output signals.
Symbol
Parameter
Min.
Max.
Units
tTCLK
JTAG Clock Input Period
100
ns
tTCLKHIGH
JTAG Clock HIGH
40
ns
tTCLKLOW
JTAG Clock Low
40
ns
tTCLKRISE
JTAG Clock Rise Time
5(1)
ns
tTCLKFALL
JTAG Clock Fall Time
5(1)
ns
tRST
JTAG Reset
50
ns
tRSR
JTAG Reset Recovery
50
ns
In order for the save and restore instructions to function properly, the IDT5V9885T must not be in shutdown mode (SHUTDOWN pin asserted). In the event
of an interrupt of some sort such as a power down of the part in the middle of a save or restore operation, the contents to or from the EEPROM will be partially
loaded, and a CRC error will be generated. The CERR bit (0x81) will be asserted to indicate that an error has occurred. The LOSS_LOCK signal will also
be asserted.
On power-up of the IDT5V9885T, an automatic restore is performed to load the EEPROM contents into the internal programming registers. The auto-restore
will not function properly if the device is in shutdown mode (SHUTDOWN pin asserted). The IDT5V9885T will be ready to accept a programming instruction
once it acknowledges its 7-bit I2C address.
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