参数资料
型号: N74F269D,623
厂商: NXP Semiconductors
文件页数: 2/19页
文件大小: 0K
描述: IC COUNTER 8BIT BINARY 24SOIC
产品培训模块: Logic Packages
标准包装: 1,000
系列: 74F
逻辑类型: 二进制计数器
方向: 上,下
元件数: 1
每个元件的位元数: 8
计数速率: 115MHz
触发器类型: 正边沿
电源电压: 4.5 V ~ 5.5 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SO
包装: 带卷 (TR)
其它名称: 933784250623
N74F269D-T
N74F269D-T-ND
74F269
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 6 — 14 December 2011
10 of 19
NXP Semiconductors
74F269
8-bit bidirectional binary counter
11. Waveforms
tsu(H)
set-up time HIGH
Dn to CP; see Figure 10
3.5
-
2.5
-
ns
PE to CP; see Figure 10
5.5
-
5.5
-
ns
CEP or CET to CP; see Figure 11
6.0
-
5.0
-
ns
U/D to CP; see Figure 12
8.0
-
6.5
-
ns
tsu(L)
set-up time LOW
Dn to CP; see Figure 10
3.5
-
2.5
-
ns
PE to CP; see Figure 10
6.5
-
6.5
-
ns
CEP or CET to CP; see Figure 11
8.0
-
6.5
-
ns
U/D to CP; see Figure 12
6.5
-
6.5
-
ns
th(H)
hold time HIGH
Dn to CP; see Figure 10
1.0
-
0
-
ns
PE to CP; see Figure 10
0-
-
0
-
ns
CEP or CET to CP; see Figure 11
0-
-
0
-
ns
U/D to CP; see Figure 12
0-
-
0
-
ns
th(L)
hold time LOW
Dn to CP; see Figure 10
1.0
-
1.0
-
ns
PE to CP; see Figure 10
0-
-
0
-
ns
CEP or CET to CP; see Figure 11
0-
-
0
-
ns
U/D to CP; see Figure 12
0-
-
0
-
ns
tWH
pulse width HIGH
CP; see Figure 7
4.0
-
4.0
-
ns
tWL
pulse width LOW
CP; see Figure 7
4.5
-
5.0
-
ns
fmax
maximum
frequency
100
115
-
85
-
MHz
Table 7.
Dynamic characteristics …continued
GND = 0 V; for test circuit, see Figure 13.
Symbol Parameter
Conditions
25
C; V
CC = 5.0 V
0
C to 70 C;
VCC =5.0 V 0.5 V
Unit
Min
Typ
Max
Min
Max
Measurement points are given in Table 8.
VM =1.5 V
VOL and VOH are the typical output voltage levels that occur with the output load.
Fig 7.
Clock (CP) to outputs (Qn, TC) propagation delay, the clock pulse width
001aal292
CP input
Qn, TC output
tPHL
tPLH
tWH
tWL
1/fmax
VM
VOH
VI
GND
VOL
VM
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