参数资料
型号: 74HCT193DB,118
厂商: NXP Semiconductors
文件页数: 9/30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
17 of 30
NXP Semiconductors
74HC193; 74HCT193
Presettable synchronous 4-bit binary up/down counter
[1]
tpd is the same as tPHL and tPLH.
[2]
CPD is used to determine the dynamic power dissipation (PD in W):
PD =CPD VCC2 fi N+ (CL VCC2 fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VCC = supply voltage in V;
N = number of inputs switching;
(C
L VCC
2
f
o) = sum of outputs.
trec
recovery time
PL to CPU, CPD;
VCC =4.5 V
10
2
-
13
-
15
-
ns
MR to CPU, CPD;
VCC =4.5 V
10
0
-
13
-
15
-
ns
tsu
set-up time
Dn to PL; see
Figure 13; note:
CPU = CPD =
HIGH
VCC =4.5 V
16
8
-
20
-
24
-
ns
th
hold time
Dn to PL; see
VCC =4.5 V
0
6-
0
-
0
-
ns
CPU to CPD,
CPD to CPU; see
VCC =4.5 V
16
7
-
20
-
24
-
ns
fmax
maximum
frequency
CPU, CPD; see
VCC =4.5 V
20
43
-
16
-
13
-
MHz
CPD
power
dissipation
capacitance
VI = GND to VCC
1.5 V; VCC =5V;
fi =1 MHz
-26-
-
pF
Table 9.
Dynamic characteristics type 74HCT193 …continued
Symbol
Parameter
Conditions
25
C
40 C to +85 C 40 C to +125 C Unit
Min
Typ
Max
Min
Max
Min
Max
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