参数资料
型号: 74HCT193DB,118
厂商: NXP Semiconductors
文件页数: 8/30页
文件大小: 0K
描述: IC COUNTER UP/DOWN SYNC 16SSOP
产品培训模块: Logic Packages
标准包装: 2,000
系列: 74HCT
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: 4
复位: 异步
计时: 同步
计数速率: 43MHz
触发器类型: 正边沿
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.209",5.30mm 宽)
供应商设备封装: 16-SSOP
包装: 带卷 (TR)
其它名称: 74HCT193DB-T
74HCT193DB-T-ND
935189730118
74HC_HCT193
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 4 — 24 June 2013
16 of 30
NXP Semiconductors
74HC193; 74HCT193
Presettable synchronous 4-bit binary up/down counter
Table 9.
Dynamic characteristics type 74HCT193
Symbol
Parameter
Conditions
25
C
40 C to +85 C 40 C to +125 C Unit
Min
Typ
Max
Min
Max
Min
Max
tpd
propagation
delay
CPU, CPD to Qn;
VCC = 4.5 V
-
23
43
-
54
-
65
ns
CPU to TCU; see
VCC = 4.5 V
-
15
27
-
34
-
41
ns
CPD to TCD; see
VCC = 4.5 V
-
15
27
-
34
-
41
ns
PL to Qn; see
VCC = 4.5 V
-
26
46
-
58
-
69
ns
MR to Qn; see
VCC = 4.5 V
-
22
40
-
50
-
60
ns
Dn to Qn; see
VCC = 4.5 V
-
27
46
-
58
-
69
ns
PL to TCU,PL to
TCD; see Figure 14
VCC = 4.5 V
-
31
55
-
69
-
83
ns
MR to TCU,MRto
TCD; see Figure 14
VCC = 4.5 V
-
29
55
-
69
-
83
ns
Dn to TCU,Dnto
TCD; see Figure 14
VCC = 4.5 V
-
32
58
-
73
-
87
ns
tTHL
HIGH to LOW
output transition
time
VCC =4.5 V
-
7
15
-
19
-
22
ns
tTLH
LOW to HIGH
output transition
time
VCC =4.5 V
-
7
15
-
19
-
22
ns
tW
pulse width
CPU, CPD (HIGH
or LOW); see
VCC =4.5 V
25
11
-
31
-
38
-
ns
MR (HIGH); see
VCC =4.5 V
20
7
-
25
-
30
-
ns
PL (LOW); see
VCC =4.5 V
20
8
-
25
-
30
-
ns
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