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參數(shù)資料
| 型號： | 74HC_HCT245_CNV_2 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal bus transceiver; 3-state |
| 中文描述： | 8個三態(tài)總線收發(fā)器, 3態(tài) |
| 文件頁數(shù)： | 19/22頁 |
| 文件大小： | 130K |
| 代理商： | 74HC_HCT245_CNV_2 |
9397 750 14502
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 03 — 31 January 2005
6 of 22
Philips Semiconductors
74HC245; 74HCT245
Octal bus tranceiver; 3-state
9.
Recommended operating conditions
10. Static characteristics
Table 6:
Recommended operating conditions
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Type 74HC245
VCC
supply voltage
2.0
5.0
6.0
V
VI
input voltage
0
-
VCC
V
VO
output voltage
0
-
VCC
V
tr, tf
input rise and fall
times
VCC = 2.0 V
-
1000
ns
VCC = 4.5 V
-
6.0
500
ns
VCC = 6.0 V
-
400
ns
Tamb
ambient temperature
40
-
+125
°C
Type 74HCT245
VCC
supply voltage
4.5
5.0
5.5
V
VI
input voltage
0
-
VCC
V
VO
output voltage
0
-
VCC
V
tr, tf
input rise and fall
times
VCC = 4.5 V
-
6.0
500
ns
Tamb
ambient temperature
40
-
+125
°C
Table 7:
Static characteristics type 74HC245
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Tamb =25 °C
VIH
HIGH-level input voltage
VCC = 2.0 V
1.5
1.2
-
V
VCC = 4.5 V
3.15
2.4
-
V
VCC = 6.0 V
4.2
3.2
-
V
VIL
LOW-level input voltage
VCC = 2.0 V
-
0.8
0.5
V
VCC = 4.5 V
-
2.1
1.35
V
VCC = 6.0 V
-
2.8
1.8
V
VOH
HIGH-level output voltage
VI =VIH or VIL
IO = 20 A; VCC = 2.0 V
1.9
2.0
-
V
IO = 20 A; VCC = 4.5 V
4.4
4.5
-
V
IO = 20 A; VCC = 6.0 V
5.9
6.0
-
V
IO = 6.0 mA; VCC = 4.5 V
3.98
4.32
-
V
IO = 7.8 mA; VCC = 6.0 V
5.48
5.81
-
V
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| 74HCT00BQ,115 | 功能描述:邏輯門 QUAD 2-INPUT NAND RoHS:否 制造商:Texas Instruments 產(chǎn)品:OR 邏輯系列:LVC 柵極數(shù)量:2 線路數(shù)量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
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