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参数资料
| 型号： | N74F657DB |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 总线收发器 |
| 英文描述： | Octal transceiver with 8-bit parit generator/checker |
| 中文描述： | F/FAST SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO24 |
| 封装： | PLASTIC, SSOP-24 |
| 文件页数： | 8/12页 |
| 文件大小： | 109K |
| 代理商： | N74F657DB |
Philips Semiconductors
Product specification
74F657
Octal transceiver with 8-bit parity generator/checker
90 July 30
5
FUNCTION TABLE
NUMBER OF INPUTS THAT ARE HIGH
INPUTS
INPUT/OUTPUT
OUTPUTS
OE
T/R
ODD/EVEN
PARITY
ERROR
OUTPUTS MODE
0, 2, 4, 6, 8
L
H
L
H
L
H
L
H
L
H
L
H
L
Z
H
L
H
Transmit
Receive
1, 3, 5, 7
L
H
L
H
L
H
L
H
L
H
L
Z
L
H
L
Transmit
Receive
Don’t care
H
X
Z
Notes to function table
1. H = High voltage level
2. L
= Low voltage level
3. X = Don’t care
4. Z = High impedance ”’off” state
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limit set forth in this table may impair the useful life of the device. Unless otherwise noted these limits are over the
operating free air temperature range.)
SYMBOL
PARAMETER
RATING
UNIT
VCC
Supply voltage
–0.5 to +7.0
V
VIN
Input voltage
–0.5 to +7.0
V
IIN
Input current
–30 to +5
mA
VOUT
Voltage applied to output in high output state
–0.5 to VCC
V
IOUT
Current applied to output in low output state
A0 – A7
48
mA
B0 – B7, PARITY, ERROR
128
mA
Tamb
Operating free air temperature range
Commercial range
0 to +70
°C
Industrial range
–40 to +85
°C
Tstg
Storage temperature range
–65 to +150
°C
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
UNIT
MIN
NOM
MAX
VCC
Supply voltage
4.5
5.0
5.5
V
VIH
High–level input voltage
2.0
V
VIL
Low–level input voltage
0.8
V
IIk
Input clamp current
–18
mA
IOH
High–level output current
A0 – A7
–3
mA
B0 – B7, PARITY, ERROR
–15
mA
IOL
Low–level output current
A0 – A7
24
mA
B0 – B7, PARITY, ERROR
64
mA
Tamb
Operating free air temperature range
Commercial range
0
+70
°C
Industrial range
–40
+85
°C
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相关代理商/技术参数 |
参数描述 |
|---|---|
| N74F657DB-T | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Single 8-bit Bus Transceiver |
| N74F657D-T | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Single 8-bit Bus Transceiver |
| N74F657N | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Octal transceiver with 8-bit parit generator/checker |
| N74F657N,602 | 功能描述:总线收发器 OCTAL BUFFER W/PARITY GEN/CHEK RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
| N74F670D | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:4 x 4 register file 3-State |
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