參數(shù)資料
型號(hào)： SN74AVC20T245GQLR
廠商： Texas Instruments, Inc.
英文描述： 20 BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
中文描述： 20位雙電源總線收發(fā)器可配置電壓轉(zhuǎn)換和三態(tài)輸出
文件頁(yè)數(shù)： 4/19頁(yè)
文件大?。?/td> 436K
代理商： SN74AVC20T245GQLR
SCES566F MAY 2004 REVISED APRIL 2005
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Notes 4 through 8)
VCCI
VCCO
MIN
MAX
UNIT
VCCA
VCCB
Supply voltage
1.2
3.6
V
Supply voltage
1.2
3.6
V
High-level input
voltage
Data inputs
(see Note 7)
1.2 V to 1.95 V
VCCI
×
0.65
VIH
1.95 V to 2.7 V
1.6
V
2.7 V to 3.6 V
2
Low-level input
voltage
Data inputs
(see Note 7)
1.2 V to 1.95 V
VCCI
×
0.35
VIL
1.95 V to 2.7 V
0.7
V
2.7 V to 3.6 V
0.8
High-level input
voltage
DIR
1.2 V to 1.95 V
VCCA
×
0.65
VIH
(referenced to VCCA)
(see Note 8)
1.95 V to 2.7 V
1.6
V
2.7 V to 3.6 V
2
Low-level input
voltage
DIR
1.2 V to 1.95 V
VCCA
×
0.35
VIL
(referenced to VCCA)
(see Note 8)
1.95 V to 2.7 V
0.7
V
2.7 V to 3.6 V
0.8
VI
Input voltage
0
3.6
V
VO
Output voltage
Active state
0
VCCO
V
3-state
0
3.6
1.2 V
3
1.4 V to 1.6 V
6
IOH
High-level output current
1.65 V to 1.95 V
8
mA
2.3 V to 2.7 V
9
3 V to 3.6 V
12
1.2 V
3
1.4 V to 1.6 V
6
IOL
Low-level output current
1.65 V to 1.95 V
8
mA
2.3 V to 2.7 V
9
3 V to 3.6 V
12
t/
v
Input transition rise or fall rate
5
ns/V
TA
NOTES:
Operating free-air temperature
40
85
°
C
4. VCCI is the VCC associated with the data input port.
5. VCCO is the VCC associated with the output port.
6. All unused data inputs of the device must be held at VCCI or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs
, literature number SCBA004.
7. For VCCI values not specified in the data sheet, VIH(min) = VCCI x 0.7 V, VIL(max) = VCCI x 0.3 V.
8. For VCCI values not specified in the data sheet, VIH(min) = VCCA x 0.7 V, VIL(max) = VCCA x 0.3 V.
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SN74AVC2T244DQER 功能描述:轉(zhuǎn)換 - 電壓電平 DUAL BIT DUAL-SUPPLY BUS TRANSCEIVER RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8
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