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參數(shù)資料
| 型號(hào)： | 74F649 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal transceiver/register, non-inverting open-collector |
| 中文描述： | 八路收發(fā)器/寄存器，非反相開路集電極 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 115K |
| 代理商： | 74F649 |
Philips Semiconductors
Product specification
74F647/74F649
Octal transceivers/registers (open-collector)
1992 Feb 28
6
AC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
S CO
TEST CONDITION
T
amb
= +25
°
C
V
CC
= +5.0V
C
L
= 50pF, R
L
= 500
MIN
TYP
T
amb
= 0
°
C to +70
°
C
V
CC
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
MIN
PARAMETER
UNIT
MAX
MAX
f
MAX
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
Maximum clock frequency
Waveform 1
50
65
40
MHz
Propagation delay
CPAB to Bn or CPBA or An
Waveform 1
7.0
5.5
12.0
8.5
15.0
11.0
7.0
5.5
16.5
12.0
ns
ns
Propagation delay
An to Bn or Bn to An
Waveform 2
Waveform 3
7.5
4.0
10.5
7.0
13.5
9.5
7.5
4.0
16.0
10.5
ns
ns
Propagation delay
SBA to An or SAB to Bn
Waveform 2
Waveform 3
7.5
4.0
11.5
7.0
14.5
9.5
7.5
4.0
17.0
10.5
ns
ns
Propagation delay
OE to An or Bn
Waveform 2
Waveform 3
9.0
6.5
13.0
10.0
16.0
12.5
9.0
6.5
18.5
13.5
ns
ns
Propagation delay
DIR to An or Bn
Waveform 2
Waveform 3
9.0
7.0
13.0
15.0
16.0
18.0
9.0
7.0
18.5
20.0
ns
ns
AC SETUP REQUIREMENTS
LIMITS
T
amb
= +25
°
C
V
CC
= +5.0V
C
L
= 50pF, R
L
= 500
MIN
TYP
T
amb
= 0
°
C to +70
°
C
V
CC
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
MIN
SYMBOL
PARAMETER
TEST CONDITION
UNIT
MAX
MAX
t
s
(H)
t
s
(L)
t
s
(H)
t
s
(L)
t
w
(H)
t
w
(L)
Setup time, High or Low
An to CPBA or Bn to CPAB
Waveform 4
4.0
4.0
5.0
5.0
ns
ns
Hold time, High or Low
An to CPBA or Bn to CPAB
Waveform 4
0
0
0
0
ns
ns
Pulse width, High or Low
CPAB or CPBA
Waveform 1
4.5
6.0
4.5
6.5
ns
ns
AC WAVEFORMS
For all waveforms, V
M
= 1.5V
The shaded areas indicate when the input is permitted to change for predictable output performance.
t
W
(H)
t
PHL
CPBA
or
CPAB
An or Bn
V
M
V
M
V
M
V
M
V
M
1/f
MAX
t
W
(L)
t
PLH
SF01161
Waveform 1. Propagation Delay, Clock Input to Output,
Clock Pulse Width, and Maximum Clock Frequency
SF00395
V
M
V
M
V
M
V
M
Bn or An
An or Bn
t
PLH
t
PHL
SBA or SAB
An or Bn
Waveform 2. Propagation Delay, An to Bn or Bn to An and
SBA to An or SAB to Bn
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74F647 | Octal transceiver/register, non-inverting open-collector |
| 74F64 | 4-2-3-2-input AND-OR-invert gate |
| 74F646MSAX | Single 8-bit Bus Transceiver |
| 74F646SCX | Single 8-bit Bus Transceiver |
| 74F648SCX | Single 8-Bit Inverting Bus Transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F64DC | 制造商:Fairchild Semiconductor Corporation 功能描述: 制造商:Texas Instruments 功能描述: |
| 74F64LC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74F64N | 制造商:NXP Semiconductors 功能描述: |
| 74F64PC | 功能描述:邏輯門 AND/OR Invert Gate 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(shí)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 |
| 74F64SC | 功能描述:邏輯門 AND/OR Invert Gate 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(shí)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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