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參數(shù)資料
| 型號： | 7C187-25 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | 16-Bit, Bidirectional Transceiver |
| 中文描述： | 64K的× 1靜態(tài)RAM |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 142K |
| 代理商： | 7C187-25 |
CY7C187
Document #: 38-05044 Rev. **
Page 2 of 9
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, 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 22 to Pin 11) ...........................................
–
0.5V to +7.0V
DC Voltage Applied to Outputs
in High Z State
[2]
............................................
–
0.5V to +7.0V
DC Input Voltage
[2]
.........................................
–
0.5V to +7.0V
Output Current into Outputs (LOW)............................. 20 mA
Static Discharge Voltage ...........................................>2001V
(per MIL
–
STD
–
883, Method 3015)
Latch-Up Current.....................................................>200 mA
Operating Range
Range
Ambient
Temperature
0
°
C to +70
°
C
V
CC
Commercial
5V
±
10%
Electrical Characteristics
Over the Operating Range
7C187-15
Min.
2.4
7C187-20
Min.
2.4
7C187-25, 35
Min.
2.4
Parameter
V
OH
Description
Output HIGH Voltage
Test Conditions
V
CC
= Min.,
I
OH
=
–
4.0 mA
V
CC
= Min.,
I
OL
=12.0 mA
Max.
Max.
Max.
Unit
V
V
OL
Output LOW Voltage
0.4
0.4
0.4
V
V
IH
V
IL
I
IX
I
OZ
Input HIGH Voltage
Input LOW Voltage
[2]
Input Load Current
Output Leakage
Current
Output Short
Circuit Current
[3]
V
CC
Operating
Supply Current
Automatic CE Power-
Down Current
[4]
Automatic CE
Power-Down Current
2.2
–
0.5
–
5
–
5
V
CC
0.8
+5
+5
2.2
–
0.5
–
5
–
5
V
CC
0.8
+5
+5
2.2
–
0.5
–
5
–
5
V
CC
0.8
+5
+5
V
V
μ
A
μ
A
GND
<
V
I
<
V
CC
GND
<
V
O
<
V
CC
,
Output Disabled
V
CC
= Max.,
V
OUT
= GND
V
CC
= Max.,
I
OUT
= 0 mA
Max. V
CC
, CE
≥
V
IH
I
OS
–
350
–
350
–
350
mA
I
CC
90
80
70
mA
I
SB1
40
40
20
mA
I
SB2
Max. V
CC
,
CE
≥
V
CC
–
0.3V,
V
IN
≥
V
CC
–
0.3V
or V
IN
≤
0.3V
20
20
20
mA
Capacitance
[5]
Parameter
Description
Test Conditions
T
A
= 25
°
C, f = 1 MHz,
V
CC
= 5.0V
Max.
10
10
Unit
pF
pF
C
IN
C
OUT
Notes:
2.
3.
4.
5.
Input Capacitance
Output Capacitance
V
(min.) =
–
3.0V for pulse durations less than 30 ns.
Not more than 1 output should be shorted at one time. Duration of the short circuit should not exceed 30 seconds.
A pull-up resistor to V
on the CE input is required to keep the device deselected during V
CC
power-up, otherwise I
SB
will exceed values given.
Tested initially and after any design or process changes that may affect these parameters.
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