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参数资料
| 型号： | SM320C25-50FJM |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 数字信号处理 |
| 英文描述： | 16-BIT, 50 MHz, OTHER DSP, CQCC68 |
| 封装： | CERAMIC, MS-004, LCC-68 |
| 文件页数： | 11/40页 |
| 文件大小： | 681K |
| 代理商： | SM320C25-50FJM |
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SMJ320C25, SMJ320C2550
DIGITAL SIGNAL PROCESSOR
SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001
19
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
external clock option
An external frequency source can be used by injecting the frequency directly into X2/CLKIN with X1 left
unconnected. The external frequency injected must conform to the specifications listed in the following table.
switching characteristics over recommended operating conditions (see Note 1)
PARAMETER
SMJ320C25-50
SMJ320C25
UNIT
PARAMETER
MIN
MAX
MIN
NOM
MAX
UNIT
tc(C)
Cycle time, CLKOUT1/CLKOUT2
80
600
100
600
ns
td(CIH–C)
Delay time, CLKIN high to CLKOUT1/CLKOUT2/STRB high/low
5
28
5
30
(1S
t
Delay time, CLKOUT1 high to CLKOUT2 low,
Q
6
Q3
Q
6
Q
Q6
ns
td(C1–C2)
Delay time, CLKOUT2 high to CLKOUT1 high, etc.
Q – 6
Q + 3
Q – 6
Q
Q + 6
ns
tf(C)
Fall time, CLKOUT1/CLKOUT2/STRB
5
ns
tr(C)
Rise time, CLKOUT1/CLKOUT2/STRB
3
5
ns
tw(CL)
Pulse duration, CLKOUT1/CLKOUT2 low
2Q – 7
2Q + 5
2Q – 8
2Q
2Q + 8
ns
tw(CH)
Pulse duration, CLKOUT1/CLKOUT2 high
2Q – 5
2Q + 7
2Q – 8
2Q
2Q + 8
ns
.This parameter is not production tested
NOTE 1: Q = 1/4tc(C)
timing requirements over recommended operating conditions (see Note 1 )
SMJ320C25-50
SMJ320C25
UNIT
MIN
MAX
MIN
MAX
UNIT
tc(CI)
Cycle time, CLKIN
20
150
25
150
ns
tw(CIL)
Pulse duration, CLKIN low, tc(CI) = 25 ns (see Note 2)
8
10
15
ns
tw(CIH)
Pulse duration, CLKIN high, tc(CI) = 25 ns (see Note 2)
8
10
15
ns
tsu(S)
Setup time, SYNC before CLKIN low
4
Q – 4
5
Q – 5
ns
th(S)
Hold time, SYNC from CLKIN low
4
8
ns
NOTES:
1: Q = 1/4tc(C)
2. Rise and fall times, assuming a 40–60% duty cycle, are incorporated within this specification CLKIN rise and fall times must be less
than 5 ns
Figure 3. Test Load Circuit
相关PDF资料 |
PDF描述 |
|---|---|
| SM320C2550GBM | 16-BIT, 50 MHz, OTHER DSP, CPGA68 |
| SM320C30HFGM50 | 32-BIT, 50 MHz, OTHER DSP, CQFP196 |
| SM320C31GFM27 | 32-BIT, 27 MHz, OTHER DSP, CPGA141 |
| SM320C30HUM25 | 32-BIT, 25 MHz, OTHER DSP, CQFP196 |
| SM320C30HTM28 | 32-BIT, 28 MHz, OTHER DSP, CQFP196 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SM320C25FJM | 制造商:未知厂家 制造商全称:未知厂家 功能描述:16-Bit Digital Signal Processor |
| SM320C25GBM | 制造商:未知厂家 制造商全称:未知厂家 功能描述:16-Bit Digital Signal Processor |
| SM320C26BFJM | 制造商:Texas Instruments 功能描述:DSP FIX PT 16BIT 40MHZ 10MIPS 68PIN JLCC - Rail/Tube |
| SM320C26BGBM | 制造商:TI 制造商全称:Texas Instruments 功能描述:DIGITAL SIGNAL PROCESSOR |
| SM320C2810-EP | 制造商:TI 制造商全称:Texas Instruments 功能描述:Digital Signal Processors |
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