- ページ 8
コンピュータ・ハードウェア Cypress Semiconductor CY7C1339GのPDF 仕様書をオンラインで閲覧またはダウンロードできます。Cypress Semiconductor CY7C1339G 18 ページ。 Cypress 4-mbit (128k x 32) pipelined sync sram specification sheet
ページを印刷する
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 on V
Relative to GND........ –0.5V to +4.6V
DD
Supply Voltage on V
Relative to GND ...... –0.5V to +V
DDQ
DC Voltage Applied to Outputs
in tri-state ............................................ –0.5V to V
Electrical Characteristics
Parameter
Description
V
Power Supply Voltage
DD
V
I/O Supply Voltage
DDQ
V
Output HIGH Voltage
OH
V
Output LOW Voltage
OL
V
Input HIGH Voltage
IH
V
Input LOW Voltage
IL
I
Input Leakage Current
X
except ZZ and MODE
Input Current of MODE Input = V
Input Current of ZZ
Output Leakage Current GND ≤ V
I
OZ
I
V
Operating Supply
DD
DD
Current
I
Automatic CE
SB1
Power-down
Current—TTL Inputs
I
Automatic CE
SB2
Power-down
Current—CMOS Inputs
Notes:
9. Overshoot: V
(AC) < V
+1.5V (Pulse width less than t
IH
DD
10. TPower-up: Assumes a linear ramp from 0V to V
Document #: 38-05520 Rev. *F
DD
+ 0.5V
DDQ
[9, 10]
Over the Operating Range
Test Conditions
for 3.3V I/O, I
= –4.0 mA
OH
for 2.5V I/O, I
= –1.0 mA
OH
for 3.3V I/O, I
= 8.0 mA
OL
for 2.5V I/O, I
= 1.0 mA
OL
[9]
for 3.3V I/O
for 2.5V I/O
[9]
for 3.3V I/O
for 2.5V I/O
GND ≤ V
≤ V
I
DDQ
SS
Input = V
DD
Input = V
SS
Input = V
DD
≤ V
Output Disabled
I
DDQ,
V
= Max., I
= 0 mA,
DD
OUT
f = f
= 1/t
MAX
CYC
V
= Max, Device Deselected,
DD
≥ V
≤ V
V
or V
IN
IH
IN
IL
f = f
= 1/t
MAX
CYC
V
= Max, Device Deselected,
DD
≤ 0.3V or V
V
> V
IN
IN
DDQ
f = 0
/2), undershoot: V
CYC
(min.) within 200 ms. During this time V
DD
DC Input Voltage ................................... –0.5V to V
Current into Outputs (LOW)......................................... 20 mA
Static Discharge Voltage.......................................... > 2001V
(per MIL-STD-883, Method 3015)
Latch-up Current.................................................... > 200 mA
Operating Range
Ambient
Range
Temperature
Commercial
0°C to +70°C
Industrial
–40°C to +85°C
Automotive
–40°C to +125°C
4-ns cycle, 250 MHz
5-ns cycle, 200 MHz
6-ns cycle, 166 MHz
7.5-ns cycle, 133 MHz
4-ns cycle, 250 MHz
5-ns cycle, 200 MHz
6-ns cycle, 166 MHz
Industrial/
7.5-ns cycle, 133 MHz
Commercial
Automotive 7.5-ns cycle, 133 MHz
All speeds
– 0.3V,
(AC) > –2V (Pulse width less than t
IL
< V
and V
< V
IH
DD
DDQ
CY7C1339G
+ 0.5V
DD
V
V
DD
DDQ
3.3V
2.5V –5%
–5%/+10%
to V
Min.
Max.
3.135
3.6
2.375
V
DD
2.4
2.0
0.4
0.4
2.0
V
+ 0.3V
DD
1.7
V
+ 0.3V
DD
–0.3
0.8
–0.3
0.7
–5
5
–30
5
–5
30
–5
5
325
265
240
225
120
110
100
90
115
40
/2).
CYC
.
DD
Page 8 of 18
DD
Unit
V
V
V
V
V
V
V
V
V
V
µA
µA
µA
µA
µA
µA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
[+] Feedback