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参数资料
| 型号： | 935043600623 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 总线收发器 |
| 英文描述： | ABT SERIES, OCTAL 1-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24 |
| 封装： | PLASTIC, SO-24 |
| 文件页数： | 5/6页 |
| 文件大小： | 73K |
| 代理商： | 935043600623 |
Philips Semiconductors
Product specification
74ABT2953
Octal registered transceiver, inverting (3-State)
1995 Sep 06
5
AC CHARACTERISTICS
GND = 0V; tR = tF = 2.5ns; CL = 50pF, RL = 500
LIMITS
SYMBOL
PARAMETER
WAVEFORM
Tamb = +25°C
VCC = +5.0V
Tamb = –40°C to +85°C
VCC = +5.0V ±0.5V
UNIT
Min
Typ
Max
Min
Max
fMAX
Maximum clock frequency
1
150
200
150
MHz
tPLH
tPHL
Propagation delay
CPBA to An, CPAB to Bn
1
2.0
2.5
5.1
5.7
6.6
7.2
2.0
2.5
7.6
8.2
ns
tPZH
tPZL
Output enable time
OEBA to An, OEAB to Bn
3
4
1.0
2.2
4.0
5.3
4.8
6.2
1.0
2.2
5.8
7.5
ns
tPHZ
tPLZ
Output disable time
OEBA to An, OEAB to Bn
3
4
2.0
1.5
6.1
5.6
7.6
7.1
2.0
1.5
8.1
7.6
ns
AC SETUP REQUIREMENTS
LIMITS
SYMBOL
PARAMETER
WAVEFORM
Tamb = +25°C
VCC = +5.0V
Tamb = –40°C to +85°C
VCC = +5.0V ±0.5V
UNIT
Min
Typ
Min
tS(H)
ts(L)
Setup time
An to CPAB or Bn to CPBA
2
4.0
3.0
2.5
1.1
4.0
3.0
ns
th(H)
th(L)
Hold time
An to CPAB or Bn to CPBA
2
0.0
–1.0
–2.0
0.0
ns
ts(H)
ts(L)
Setup time
CEAB to CPAB, CEBA to CPBA
2
3.5
2.5
2.0
0.9
3.5
2.5
ns
th(H)
th(L)
Hold time
CEAB to CPAB, CEBA to CPBA
2
0.0
–0.5
–1.0
0.0
ns
tw(H)
tw(L)
CPAB or CPBA pulse width,
High or Low
1
3.0
3.5
2.0
1.1
3.0
3.5
ns
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
VM
1/fMAX
tw(H)
tw(L)
tPHL
tPLH
CPBA or
CPAB
An or Bn
SA00087
Waveform 1. Propagation Delay, Clock Input to Output, Clock
Pulse Width, and Maximum Clock Frequency
OEAB,
OEBA
VM
tPZH
tPHZ
0V
VOH –0.3V
An, Bn
VM
SA00310
Waveform 3. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
VM
An, Bn
CEAB,
CEBA
VM
CPAB,
CPBA
ts(H)
th(H)
ts(L)
th(L)
SA00309
Waveform 2. Data Setup and Hold Times
OEAB,
OEBA
tPZL
tPLZ
0V
VOL +0.3V
An, Bn
VM
SA00311
Waveform 4. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
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