参数资料
型号: OM13336,598
厂商: NXP Semiconductors
文件页数: 7/24页
文件大小: 0K
描述: KIT 6 BOARDS DEMO LOGIC
特色产品: Demo Boards
标准包装: 1
主要目的: 逻辑,二进制计数器
嵌入式:
已用 IC / 零件: 74LVC169
主要属性: 1.2 V ~ 3.6 V 输入电压
次要属性: 内置超前进位功能
已供物品:
其它名称: 568-5082
74LVC169EVB
74LVC169
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 6 — 29 November 2012
15 of 24
NXP Semiconductors
74LVC169
Presettable synchronous 4-bit up/down binary counter
[1]
The circuit performs better when RL = 1000 k.
Test data is given in Table 9.
Definitions for test circuit:
RL = Load resistance.
CL = Load capacitance including jig and probe capacitance.
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
VEXT = External voltage for measuring switching times.
Fig 13. Test circuit for measuring switching times
VM
tW
10 %
90 %
0 V
VI
negative
pulse
positive
pulse
0 V
VM
90 %
10 %
tf
tr
tf
001aae331
VEXT
VCC
VI
VO
DUT
CL
RT
RL
G
Table 9.
Test data
Supply voltage
Input
Load
S1 position
VCC
VI
tr, tf
CL
RL
tPLH, tPHL
1.2 V
VCC
2 ns
30 pF
1 k
open
1.65 V to 1.95 V
VCC
2 ns
30 pF
1 k
open
2.3 V to 2.7 V
VCC
2 ns
30 pF
500
open
2.7V
2.5ns
50pF
500
open
3.0Vto 3.6V
2.7V
2.5ns
50pF
500
open
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