. Data lines. Used as input or output lines depending on operation
WE.
When selected LOW, a WRITE is conducted. When selected HIGH, a READ is
conducted
CE.
When LOW, selects the chip. When HIGH, deselects the chip
OE.
Output Enable. Controls the direction of the I/O pins. When LOW, the I/O pins
behave as outputs. When deasserted HIGH, I/O pins are tristated, and act as input
data pins
GND.
Ground for the device
V
CC
. Power supply for the device
14
28
Ground
Power Supply
Note
1. Typical specifications are the mean values measured over a large sample size across normal production process variations and are taken at nominal conditions
(T
A
= 25 °C, V
CC
). Parameters are guaranteed by design and characterization, and not 100% tested.
Document Number: 001-06511 Rev. *E
Page 3 of 16
CY62256N
Maximum Ratings
Exceeding maximum ratings may impair the useful life of the
device. These user guidelines are not tested.
Storage temperature ................................ –65
°C
to +150
°C
Ambient temperature with
power applied ........................................... –55
°C
to +125
°C
Supply voltage to ground potential
(pin 28 to pin 14)...........................................–0.5 V to +7.0 V
DC voltage applied to outputs
in high Z State
[2]
.................................. –0.5 V to V
CC
+ 0.5 V
DC input voltage
[2]
............................... –0.5 V to V
CC
+ 0.5 V
Output current into outputs (LOW) .............................. 20 mA
Static discharge voltage.......................................... > 2001 V
(per MIL-STD-883, method 3015)
Latch-up current .................................................... > 200 mA
Operating Range
Range
Commercial
Industrial
Automotive-A
Automotive-E
Ambient Temperature (T
A
)
[3]
0
°
C to +70
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +125
°
C
V
CC
5 V
±
10%
5 V
±
10%
5 V
±
10%
5 V
±
10%
Electrical Characteristics
Over the Operating Range
Parameter
V
OH
V
OL
V
IH
V
IL
I
IX
I
OZ
I
CC
Description
Output HIGH voltage
Output LOW voltage
Input HIGH voltage
Input LOW voltage
Input leakage current
V
CC
operating supply
current
GND
≤
V
I
≤
V
CC
V
CC
= Max,
I
OUT
= 0 mA,
f = f
MAX
= 1/t
RC
LL-Commercial
LL - Industrial
LL - Automotive-A
LL - Automotive-E
I
SB1
Automatic CE
power-down current—
TTL inputs
Max. V
CC
, CE
≥
V
IH
, LL-Commercial
V
IN
≥
V
IH
or V
IN
≤
V
IL
, LL - Industrial
f = f
MAX
LL - Automotive-A
LL - Automotive-E
I
SB2
Automatic CE
power-down current—
CMOS inputs
Max. V
CC
,
LL - Commercial
CE
≥
V
CC
−
0.3 V
LL - Industrial
V
IN
≥
V
CC
−
0.3 V, or
LL - Automotive-A
V
IN
≤
0.3 V, f = 0
LL - Automotive-E
Output leakage current GND
≤
V
O
≤
V
CC
, output disabled
Test Conditions
V
CC
= Min, I
OH
=
−1.0
mA
V
CC
= Min, I
OL
= 2.1 mA
–55
Min
2.4
–
2.2
–0.5
–0.5
–0.5
–
–
–
–
–
–
–
–
–
–
–
–
Typ
[4]
–
–
–
–
–
–
–
25
25
25
–
0.3
0.3
0.3
–
0.1
0.1
0.1
Max
–
0.4
V
CC
+
0.5 V
0.8
+0.5
+0.5
–
50
50
50
–
0.5
0.5
0.5
–
10
10
15
Min
2.4
–
2.2
–0.5
–0.5
–0.5
–
–
–
–
–
–
–
–
–
–
–
–
–70
Typ
[4]
–
–
–
–
–
–
25
25
25
–
0.3
0.3
0.3
–
0.1
0.1
0.1
–
Max
–
0.4
V
CC
+
0.5 V
0.8
+0.5
+0.5
50
50
50
–
0.5
0.5
0.5
–
5
10
10
–
Unit
V
V
V
V
μA
μA
mA
mA
mA
mA
mA
mA
mA
mA
μA
μA
μA
μA
Capacitance
Parameter
[5]
C
IN
C
OUT
Description
Input capacitance
Output capacitance
Test Conditions
T
A
= 25
°C,
f = 1 MHz, V
CC
= 5.0 V
Max
6
8
Unit
pF
pF
Notes
2. V
IL
(min) =
−
2.0 V for pulse durations of less than 20 ns.
3. T
A
is the “Instant-On” case temperature.
4. Typical specifications are the mean values measured over a large sample size across normal production process variations and are taken at nominal conditions
(T
A
= 25 °C, V
CC
). Parameters are guaranteed by design and characterization, and not 100% tested.
5. Tested initially and after any design or process changes that may affect these parameters.
With this thing, you can type remotely, and keyboards are no longer necessary~：https://training.eeworld.com.cn/course/3652
[font=微软雅黑][size=3]Recently, Tap Systems, a startup from the United States, l...
I am reading signals from sensors. When two sensors read black lines at the same time, I want to read the edge changes. Can an expert give me some advice?...
Lighting has long been widely used in home decoration, architectural design and other fields. However, due to the contradiction between the need for color filtering of traditional lighting and the lim...
#define Bitime_5 0x05*4 // ~ 0.5 bit length + small adjustment#define Ending 13*4//0x0D
Looking at the program and seeing these two definitions, please ask
What is the function of this *? Is it multip...
From being a global leader to losing the market, Korean battery manufacturers have always wanted to regain the lost market and dignity, but facing Chinese battery manufacturers represented by CAT...[Details]
To understand why car engines need gearboxes, we must first understand the characteristics of different types of engines. An engine refers to a machine that can convert a form of energy into kineti...[Details]
On August 22, the National Energy Administration released the latest data, showing that by the end of July 2025, China's total number of electric vehicle charging infrastructure will reach 16.696 m...[Details]
1. Multi-channel DAC technology bottleneck
Currently,
the development of multi-channel DAC technology focuses on two core challenges.
First, industrial applications urgently ...[Details]
The MCX E series is the most reliability- and safety-focused series in NXP's extensive MCX product portfolio.
With the launch of this series, NXP has further enriched its 5V-compatible MCU pr...[Details]
Teletrac Navman has launched the Multi IQ dashcam, a cloud-based solution designed for large commercial vehicle operators. It connects up to five cameras to cover the vehicle's interior, sides, and...[Details]
In the period after the switching power supply achieved the "20 kHz" revolution in the 1970s, although improvements and enhancements were made in circuit technology, the development level of the se...[Details]
Inverter power supplies on the market can generally be divided into two categories: sine wave inverters and square wave inverters. Some engineers also like to categorize pure sine wave inverters as...[Details]
Wearable technology is taking off, with applications evolving rapidly, from smartwatches to fitness trackers and even smart wigs! Bluetooth Smart is at the center of this revolution. This is the se...[Details]
As a pioneer in the new smart home concept, robot vacuums have captured a significant market share. Robot vacuums, also known as automatic sweepers, smart vacuums, or robot vacuums, are smart home ...[Details]
As the power density of modern electronic systems continues to increase, effective thermal management has become critical to ensuring system performance, reliability, and longevity—especially in hi...[Details]
This series of articles aims to help readers have a brief understanding of the Hongke KPA Automation system and to quickly get started with MoDK, including: an introduction to Hongke KPA Automation...[Details]
A Beijing chemical project utilizes a distributed control system (DCS). The master control system primarily uses the Modbus protocol, while the remote field devices utilize the PROFIBUS-DP protocol...[Details]
Since entering the electronic components industry, I've learned that electronic components come in different packaging types. Some people have argued that different types of components may look the...[Details]
Which one has lower driving cost, electric vehicles or fuel vehicles? This is a topic of great concern to car users. Structurally, electric vehicles do not have mechanical transmission systems such...[Details]
DSP and ARM Processors
京公网安备 11010802033920号
EEWORLD
