參數(shù)資料
型號(hào): N74F579D,623
廠商: NXP Semiconductors
文件頁(yè)數(shù): 12/14頁(yè)
文件大小: 0K
描述: IC COUNTER 8BIT BINARY 20SOIC
標(biāo)準(zhǔn)包裝: 2,000
系列: 74F
邏輯類(lèi)型: 二進(jìn)制計(jì)數(shù)器
方向: 上,下
元件數(shù): 1
每個(gè)元件的位元數(shù): 8
復(fù)位: 異步
計(jì)時(shí): 同步
計(jì)數(shù)速率: 115MHz
觸發(fā)器類(lèi)型: 正邊沿
電源電壓: 4.5 V ~ 5.5 V
工作溫度: 0°C ~ 70°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 20-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 20-SO
包裝: 帶卷 (TR)
其它名稱(chēng): 933840370623
N74F579D-T
N74F579D-T-ND
Philips Semiconductors
Product specification
74F579
8-bit bidirectional binary counter (3-State)
2000 Dec 18
7
AC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST CONDI-
TIONS
Tamb = +25 °C
VCC = +5.0 V
CL = 50 pF, RL = 500
Tamb = 0 to +70 °C
VCC = +5.0 V ± 10%
CL = 50 pF, RL = 500
UNIT
MIN
TYP
MAX
MIN
MAX
fMAX
Maximum clock frequency
Waveform 1
100
115
80
MHz
tPLH
tPHL
Propagation delay
CP to I/On
Waveform 1
5.0
7.5
10.5
4.5
5.0
11.5
ns
tPLH
tPHL
Propagation delay
CP to TC
Waveform 1
5.5
7.5
10.0
5.0
11.0
ns
tPLH
tPHL
Propagation delay
U/D to TC
Waveform 4
3.5
4.5
5.5
6.5
8.0
3.5
4.5
9.0
ns
tPLH
tPHL
Propagation delay
CET to TC
Waveform 3
3.5
5.5
6.0
7.0
8.0
3.5
8.5
ns
tPHL
Propagation delay
MR to I/On
Waveform 2
5.0
7.0
9.0
5.0
10.0
ns
tPLH
tPHL
Propagation delay
MR to TC
Waveform 4
4.0
6.0
6.5
8.0
9.0
10.5
4.0
6.0
10.5
12.5
ns
tPZH
tPZL
Output Enable time
CS to I/On
Waveform 6
Waveform 7
4.0
5.5
5.0
7.0
8.5
10.5
3.5
5.0
10.0
11.5
ns
tPHZ
tPLZ
Output Disable time
CS to I/On
Waveform 6
Waveform 7
3.0
5.0
7.5
9.5
3.0
4.5
9.0
11.0
ns
tPZH
tPZL
Output Enable time
PE to I/On
Waveform 6
Waveform 7
3.0
5.0
4.5
6.5
8.0
10.0
3.0
4.5
9.0
11.0
ns
tPHZ
tPLZ
Output Disable time
PE to I/On
Waveform 6
Waveform 7
3.0
2.5
4.0
7.5
3.0
2.0
9.0
8.5
ns
tPZH
tPZL
Output Disable time
OE to I/On
Waveform 6
Waveform 7
2.5
4.5
4.0
5.5
7.0
9.0
2.5
4.0
8.5
10.5
ns
tPHZ
tPLZ
Output Enable time
OE to I/On
Waveform 6
Waveform 7
1.0
2.0
2.5
4.0
7.0
1.0
2.0
5.5
8.0
ns
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