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参数资料
| 型号： | IDT74LVC169AQ |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 计数器 |
| 英文描述： | LVC/LCX/Z SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16 |
| 封装： | QSOP-16 |
| 文件页数： | 4/8页 |
| 文件大小： | 103K |
| 代理商： | IDT74LVC169AQ |
4
EXTENDEDCOMMERCIALTEMPERATURERANGE
IDT74LVC169A
3.3V CMOS PRESETTABLE SYNCHRONOUS 4-BIT UP/DOWN
FUNCTION TABLE (1)
Operating
Inputs
Outputs
Modes
CP
U/D
CEP
CET
PE
Dx
Qx
TC
Parallel load
↑
XXX
l
*
(Dx to Qx)
↑
XXX
X
h
*
Count Up
(Increment)
↑
h
l
h
X
Count Up
*
Count Down
(Decrement)
↑
l
h
X
Count Down
*
Hold
↑
Xh
X
h
X
Q
0
*
(do nothing)
↑
XX
H
h
X
Q
0
H
NOTE:
1. H = HIGH Voltage Level steady state
h = HIGH Voltage level one setup time prior to the LOW-to-HIGH clock transition.
L = LOW Voltage Level steady state
l = LOW Voltage level one setup time prior to the LOW-to-HIGH clock transition.
Q
0 = Indicates the state of the referenced output prior to the LOW-to-HIGH clock transition.
X = Don’t care
* = The
TC output is LOW when CET is LOW and the counter is at Terminal Count. Terminal Count Up is (HHHH) and Terminal Count Down is
(LLLL).
↑ = LOW-to-HIGH clock transition
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified:
Operating Condition: TA = – 40°c to +85°c
Symbol
Parameter
Test Conditions
Min.
Typ.(1)
Max.
Unit
VIH
Input HIGH Voltage Level
VCC = 2.3V to 2.7V
1.7
—
V
VCC = 2.7V to 3.6V
2
—
VIL
Input LOW Voltage Level
VCC = 2.3V to 2.7V
—
0.7
V
VCC = 2.7V to 3.6V
—
0.8
IIH
IIL
Input Leakage Current
VCC = 3.6V
VI = 0 to 5.5V
—
±5
A
IOZH
High Impedance Output Current
VCC = 3.6V
VO = 0 to 5.5V
—
±10
A
IOZL
(3-State Output pins)
IOFF
Input/Output Power Off Leakage
VCC = 0V, VIN or VO
≤5.5V
—
±50
A
VIK
Clamp Diode Voltage
VCC = 2.3V, IIN = – 18mA
—
– 0.7
– 1.2
V
VH
Input Hysteresis
VCC = 3.3V
—
100
—
mV
ICCL
ICCH
Quiescent Power Supply Current
VCC = 3.6V
VIN = GND or VCC
——
10
A
ICCZ
ICC
Quiescent Power Supply
Current Variation
One input at VCC – 0.6V
other inputs at VCC or GND
—
500
A
LVC QUAD Link
NOTE:
1. Typical values are at VCC = 3.3V, +25°C ambient.
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