參數(shù)資料
型號(hào): DSP56311VF150B1
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 49/96頁(yè)
文件大?。?/td> 0K
描述: IC DSP 24BIT 150MHZ 196-BGA
標(biāo)準(zhǔn)包裝: 630
系列: DSP56K/Symphony
類(lèi)型: 定點(diǎn)
接口: 主機(jī)接口,SSI,SCI
時(shí)鐘速率: 150MHz
非易失內(nèi)存: ROM(576 B)
芯片上RAM: 384kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 1.80V
工作溫度: -40°C ~ 100°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 196-LBGA
供應(yīng)商設(shè)備封裝: 196-MAPBGA(15x15)
包裝: 托盤(pán)
AC Electrical Characteristics
DSP56311 Technical Data, Rev. 8
Freescale Semiconductor
2-33
451
TXC rising edge to FST out (word-length) low
31.0
17.0
x ck
i ck
ns
452
TXC rising edge to data out enable from high impedance
31.0
17.0
x ck
i ck
ns
453
TXC rising edge to transmitter 0 drive enable assertion
34.0
20.0
x ck
i ck
ns
454
TXC rising edge to data out valid
35 + 0.5
× TC
38.4
21.0
x ck
i ck
ns
455
TXC rising edge to data out high impedance3
31.0
16.0
x ck
i ck
ns
456
TXC rising edge to transmitter 0 drive enable deassertion3
34.0
20.0
x ck
i ck
ns
457
FST input (bl, wr)
6 set-up time before TXC falling edge2
2.0
21.0
x ck
i ck
ns
458
FST input (wl)6 to data out enable from high impedance
27.0
ns
459
FST input (wl) to transmitter 0 drive enable assertion
31.0
ns
460
FST input (wl)6 set-up time before TXC falling edge
2.5
21.0
x ck
i ck
ns
461
FST input hold time after TXC falling edge
4.0
0.0
x ck
i ck
ns
462
Flag output valid after TXC rising edge
32.0
18.0
x ck
i ck
ns
Notes:
1.
For the internal clock, the external clock cycle is defined by the instruction cycle time (timing 7 in Table 2-5 on page 2-6) and
the ESSI Control Register.
2.
The word-length-relative frame sync signal waveform operates the same way as the bit-length frame sync signal waveform,
but spreads from one serial clock before the first bit clock (same as the Bit Length Frame Sync signal) until the one before last
bit clock of the first word in the frame.
3.
Periodically sampled and not 100 percent tested
4.
VCCQH = 3.3 V ± 0.3 V, VCC = 1.8 V ± 0.1 V; TJ = –40°C to +100 °C, CL = 50 pF.
5.
TXC (SCK Pin) = transmit clock
RXC (SC0 or SCK pin) = receive clock
FST (SC2 pin) = transmit frame sync
FSR (SC1 or SC2 pin) receive frame sync
6.
i ck = Internal Clock; x ck = external clock
i ck a = internal clock, Asynchronous mode (asynchronous implies that TXC and RXC are two different clocks)
i ck s = internal clock, Synchronous mode (synchronous implies that TXC and RXC are the same clock)
bl = bit length
wl = word length
wr = word length relative
Table 2-16.
ESSI Timings (Continued)
No.
Characteristics4, 6
Symbol
Expression
150 MHz
Cond-
ition5
Unit
Min
Max
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