- 您现在的位置：买卖IC网 > PDF目录97046 > SN54F621FKR (TEXAS INSTRUMENTS INC) F/FAST SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CQCC20 PDF资料下载
参数资料
| 型号： | SN54F621FKR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | F/FAST SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 3/5页 |
| 文件大小： | 74K |
| 代理商： | SN54F621FKR |
SN54F621, SN74F621
OCTAL BUS TRANSCEIVERS
WITH OPEN-COLLECTOR OUTPUTS
SDFS004B – D2932, MARCH 1987 – REVISED OCTOBER 1993
2–3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54F621
SN74F621
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = – 18 mA
– 1.2
V
IOH
VCC = 4.5 V,
VOH = 5.5 V
250
A
A1 A8
IOL = 20 mA
0.3
0.5
VOL
A1 – A8
VCC =4 5V
IOL = 24 mA
0.35
0.5
V
VOL
B1 B8
VCC = 4.5 V
IOL = 48 mA
0.38
0.55
V
B1 – B8
IOL = 64 mA
0.42
0.55
II
A and B ports
VCC =5 5V
VI = 5.5 V
1
mA
II
OEAB or OEBA
VCC = 5.5 V
VI = 7 V
0.1
mA
I
A and B ports
VCC =5 5V
VI =2 7V
70
A
IIH
OEAB or OEBA
VCC = 5.5 V,
VI = 2.7 V
20
A
I
A and B ports
VCC =5 5V
VI =0 5V
– 0.65
mA
IIL
OEAB or OEBA
VCC = 5.5 V,
VI = 0.5 V
– 0.6
mA
ICCH
VCC = 5.5 V
105
140
105
140
mA
ICCL
VCC = 5.5 V
105
140
105
140
mA
All typical values are at VCC = 5 V, TA = 25°C.
For I/O ports, the parameters IIH and IIL include the off-state output current.
switching characteristics (see Note 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
CL = 50 pF,
RL = 500 ,
TA = 25°C
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 500 ,
TA = MIN to MAX§
UNIT
(INPUT)
(OUTPUT)
′F621
SN54F621
SN74F621
MIN
TYP
MAX
MIN
MAX
MIN
MAX
tPLH
A
B
6
9.5
12
5.5
13
5.5
13
ns
tPHL
A
B
2.5
3.8
8
2
8.5
2
8.5
ns
tPLH
B
A
6
9
12
5.5
12.5
5.5
12.5
ns
tPHL
B
A
2.5
4
7.5
2
8
2
8
ns
tPLH
OEBA
A
6
10
13.5
5.5
14
5.5
14
ns
tPHL
OEBA
A
3.5
6.5
10.5
2.5
11
2.5
11
ns
tPLH
OEAB
B
7
12
15
6
17
6
17
ns
tPHL
OEAB
B
3.5
6.5
9.5
3
10
3
10
ns
§ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
NOTE 2: Load circuits and waveforms are shown in Section 1.
相关PDF资料 |
PDF描述 |
|---|---|
| SN54F623FK | F/FAST SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CQCC20 |
| SN54F74FK | F/FAST SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, CQCC20 |
| SN54F776FK | F/FAST SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CQCC28 |
| SN54F86FK | F/FAST SERIES, QUAD 2-INPUT XOR GATE, CQCC20 |
| SN54FB2041AWD | FB SERIES, 7-BIT TRANSCEIVER, INVERTED OUTPUT, CDFP56 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SN54F623J | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| SN54F74J | 制造商:Texas Instruments 功能描述:Flip Flop D-Type Pos-Edge 2-Element 14-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:FLIP FLOP D-TYPE POS-EDGE 2-ELEM 14CDIP - Rail/Tube |
| SN54H00AJ | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| SN54H00BWA | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN54H00W | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
发布紧急采购，3分钟左右您将得到回复。