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參數(shù)資料
| 型號： | CD74HCT243M96 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | HCT SERIES, QUAD 1-BIT TRANSCEIVER, TRUE OUTPUT, PDSO14 |
| 封裝： | SOIC-14 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 81K |
| 代理商： | CD74HCT243M96 |
1
Data sheet acquired from Harris Semiconductor
SCHS168A
CD74HCT242 was not acquired from Harris Semiconductor.
Features
Typical Propagation Delay (A to B, B to A) of 7ns at
VCC = 5V, CL = 15pF, TA = 25
oC
Three-State Outputs
Buffered Inputs
Fanout (Over Temperature Range)
- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
Wide Operating Temperature Range . . . -55oC to 125oC
Balanced Propagation Delay and Transition Times
Signicant Power Reduction Compared to LSTTL
Logic ICs
HC Types
- 2V to 6V Operation
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC
at VCC = 5V
HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility,
VIL= 0.8V (Max), VIH = 2V (Min)
- CMOS Input Compatibility, Il ≤ 1A at VOL, VOH
Pinout
CD54HC243, CD54HCT243
(CERDIP)
CD74HCT242, CD74HC243, CD74HCT243
(PDIP, SOIC)
TOP VIEW
Description
The CD74HCT242, ’HC243 and ’HCT243 silicon-gate
CMOS three-state bidirectional inverting and non-inverting
buffers are intended for two-way asynchronous communica-
tion between data buses. They have high drive current out-
puts which enable high-speed operation when driving large
bus capacitances. These circuits possess the low power dis-
sipation of CMOS circuits, and have speeds comparable to
low power Schottky TTL circuits. They can drive 15 LSTTL
loads.
The CD74HCT242 is an inverting buffer; the ’HC243 and
’HCT243 are non-inverting buffers.
The states of the output enables (OEB, OEA) determine
both the direction of ow (A to B, B to A), and the three-state
mode.
OEB
NC
A0
A1
A2
A3
GND
VCC
OEA
NC
B0
B1
B2
B3
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Ordering Information
PART NUMBER
TEMP. RANGE
(oC)
PACKAGE
CD54HC243F
-55 to 125
14 Ld CERDIP
CD54HC243F3A
-55 to 125
14 Ld CERDIP
CD74HC243E
-55 to 125
14 Ld PDIP
CD74HC243M
-55 to 125
14 Ld SOIC
CD54HCT243F3A
-55 to 125
14 Ld CERDIP
CD74HCT243M
-55 to 125
14 Ld SOIC
NOTES:
1. When ordering, use the entire part number. Add the sufx 96 to
obtain the variant in the tape and reel.
2. Wafer or die for this part number is available which meets all
electrical specifications. Please contact your local TI sales
office.
November 1997 - Revised May 2000
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
2000, Texas Instruments Incorporated
CD74HCT242,
CD54/74HC243, CD54/74HCT243
High Speed CMOS Logic
Quad-Bus Transceiver with Three-State Outputs
[ /Title
(CD74
HCT24
2,
CD74
HC243
,
CD74
HCT24
3)
/Sub-
ject
(High
Speed
CMOS
Logic
Quad-
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| CD74HCT243ME4 | 功能描述:總線收發(fā)器 Hi-Sp CMOS Quad Bus Trncvr W/3St Otp RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| CD74HCT243MG4 | 功能描述:總線收發(fā)器 Hi Spd CMOS Log Quad-Bus Transc RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| CD74HCT244E | 功能描述:緩沖器和線路驅(qū)動器 Tri-St. Octal RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| CD74HCT244E | 制造商:Texas Instruments 功能描述:74HCT CMOS 74HCT244 DIP20 5.5V |
| CD74HCT244EE4 | 功能描述:緩沖器和線路驅(qū)動器 Hi-Sp CMOS Octal Bfr/Ln Drv W/3St Otp RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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