參數(shù)資料
型號(hào): SMQ320C32PCMM60
廠商: TEXAS INSTRUMENTS INC
元件分類: 數(shù)字信號(hào)處理
英文描述: 24-BIT, 60 MHz, OTHER DSP, PQFP144
封裝: PLASTIC, QFP-144
文件頁(yè)數(shù): 10/50頁(yè)
文件大小: 674K
代理商: SMQ320C32PCMM60
SMQ320C32
DIGITAL SIGNAL PROCESSOR
SGUS027B – APRIL 1998 – REVISED MARCH 1999
18
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
electrical characteristics over recommended ranges of supply voltage (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
NOM
MAX
UNIT
VOH
High-level output voltage
VDD = MIN,
IOH = MAX
2.4
3
V
VOL
Low-level output voltage
VDD = MIN,
IOL = MAX
0.3
0.8
V
IOZ
High-impedance state output current
VDD = MAX
– 20
20
A
II
Input current
VI = VSS to VDD
– 10
10
A
fx = 50 MHz
TA = 25 °C,
VDD = MAX,
200
425
mA
IDD
Supply current (see Note 5)
fx = 60 MHz
A
,
DD
,
fx = MAX
225
475
mA
Standby
IDLE2,
CLKIN shut off
50
A
CLKIN
25
CI
Input capacitance
All other
inputs
15*
pF
Co
Output capacitance
20*
pF
All nominal values are at VDD = 5 V, TA = 25°C.
fx is the input clock frequency.
* This parameter is not production tested.
NOTE 5: Actual operating current is less than this maximum value (see Note 2).
PARAMETER MEASUREMENT INFORMATION
Tester Pin
Electronics
VLoad
IOL
CT
IOH
Output
Under
Test
Where: IOL
= 2 mA (all outputs)
IOH
= 300
A (all outputs)
VLoad = Selected to emulate 50- termination (typical value = 1.54 V)
CT
= 80-pF typical load-circuit capacitance
Figure 11. Test Load Circuit
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