CY7C1324(1999) 데이터 시트보기 (PDF) - Cypress Semiconductor
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CY7C1324 Datasheet PDF : 15 Pages
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CY7C1324
Pin Descriptions
TQFP Pin
Number
5, 10, 17,
21, 26, 40,
55, 60, 67,
71, 76, 90
4, 11, 20,
27, 54, 61,
70, 77
1–3, 6, 7,
14, 16, 25,
28–30,
50–53, 56,
57, 66, 75,
78, 79,
95–96
38, 39, 42,
43
Name
VSS
VDDQ
NC
DNU
I/O
Ground
Description
Ground for the device. Should be connected to ground of the system.
I/O Power Power supply for the I/O circuitry. Should be connected to a 2.5 or 3.3V power supply.
Supply
-
No connects.
-
Do not use pins. Should be left unconnected or tied LOW.
Write Cycle Descriptions[1, 2, 3, 4]
Function
Read
Read
Write Byte 0 - DQ[7:0] and DP0
Write Byte 1 - DQ[15:8] and DP1
Write All Bytes
Write All Bytes
GW
BWE
BWS1
BWS0
1
1
X
X
1
0
1
1
1
0
1
0
1
0
0
1
1
0
0
0
0
X
X
X
ZZ Mode Electrical Characteristics
Parameter
IDDZZ
tZZS
tZZREC
Description
Snooze mode standby current
Device operation to ZZ
ZZ recovery time
Test Conditions
ZZ > VDD − 0.2V
ZZ > VDD − 0.2V
ZZ < 0.2V
Min
2tCYC
Max
10
2tCYC
Unit
mA
ns
ns
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 VDD Relative to GND................ –0.5V to +4.6V
DC Voltage Applied to Outputs
in High Z State[5]...............................................–0.5V to VDD + 0.5V
DC Input Voltage[5] ...........................................–0.5V to VDD + 0.5V
Current into Outputs (LOW)......................................... 20 mA
Static Discharge Voltage .......................................... >2001V
(per MIL-STD-883, Method 3015)
Latch-Up Current .................................................... >200 mA
Operating Range
Range
Com’l
Ambient
Temperature[6]
0°C to +70°C
VDD
VDDQ
3.135V to 3.6V 2.375V to VDD
Notes:
4. When a write cycle is detected, all I/Os are three-stated, even during byte writes.
5. Minimum voltage equals –2.0V for pulse durations of less than 20 ns.
6. TA is the case temperature.
6
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