Cypress Semiconductor CY7C185 Технический паспорт - Страница 3

Просмотреть онлайн или скачать pdf Технический паспорт для Компьютерное оборудование Cypress Semiconductor CY7C185. Cypress Semiconductor CY7C185 11 страниц. 8k x 8 static ram

Cypress Semiconductor CY7C185 Технический паспорт

Electrical Characteristics

Parameter
Description
V
Output HIGH Voltage
OH
V
Output LOW Voltage
OL
V
Input HIGH Voltage
IH
V
Input LOW Voltage
IL
I
Input Load Current
IX
I
Output Leakage
OZ
Current
I
Output Short
OS
Circuit Current
I
V
Operating
CC
CC
Supply Current
I
Automatic
SB1
Power-Down Current
I
Automatic
SB2
Power-Down Current
[4]
Capacitance
Parameter
C
IN
C
OUT
Note:
4.
Tested initially and after any design or process changes that may affect these parameters.
AC Test Loads and Waveforms
R1 481
5V
OUTPUT
30 pF
R2
255
INCLUDING
JIG AND
SCOPE
(a)
Equivalent to:
THÉVENIN EQUIVALENT
OUTPUT
Over the Operating Range (continued)
Test Conditions
V
= Min., I
CC
OH
V
= Min., I
CC
OL
[2]
GND
V
V
I
CC
GND
V
V
I
CC
Output Disabled
V
= Max.,
CC
[3]
V
= GND
OUT
V
= Max.,
CC
I
= 0 mA
OUT
Max. V
, CE
CC
1
Min. Duty Cycle=100%
Max. V
, CE
CC
1
or CE
0.3V
2
V
V
– 0.3V or V
IN
CC
Description
Input Capacitance
Output Capacitance
R1 481
5V
OUTPUT
5 pF
INCLUDING
JIGAND
SCOPE
(b)
167
1.73V
7C185–25
Min.
= –4.0 mA
2.4
= 8.0 mA
2.2
–0.5
–5
,
–5
V
or CE
V
IH
2
IL
V
– 0.3V
CC
0.3V
IN
Test Conditions
T
= 25 C, f = 1 MHz,
A
V
= 5.0V
CC
3.0V
R2
GND
255
5 ns
C185–4
3
CY7C185
7C185-35
Max.
Min.
Max.
2.4
0.4
0.4
V
+
2.2
V
CC
CC
0.3V
0.3V
0.8
–0.5
0.8
+5
–5
+5
+5
–5
+5
–300
–300
100
100
20
20
15
15
Max.
7
7
ALL INPUT PULSES
90%
90%
10%
Unit
V
V
+
V
V
A
A
mA
mA
mA
mA
Unit
pF
pF
10%
5 ns
C185–5