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參數(shù)資料
| 型號： | 70P249L65BYGI |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | SRAM |
| 英文描述： | 4K X 16 DUAL-PORT SRAM, 40 ns, PBGA100 |
| 封裝： | 0.50 MM PITCH, GREEN, BGA-100 |
| 文件頁數(shù)： | 17/22頁 |
| 文件大?。?/td> | 146K |
| 代理商： | 70P249L65BYGI |
6.42
IDT70P269/259/249L
Low Power 16K/8K/4K x 16 Dual-Port Static RAM
Industrial Temperature Range
4
OCTOBER 16, 2008
Inputs
Outputs
Mode
CS
WE
OE
UB
LB
I/O0 - I/O15
H
XXXX
High-Z
Deselected/Power Down
X
H
X
High-Z
Output Disable
X
H
High-Z
Upper and Lower Bytes Deselected
L
H
LLL
DATAOUT (I/O0 - I/O15)
Read Upper and Lower Bytes
LH
L
H
L
DATAOUT (I/O0 - I/O7)
High-Z (I/O8 - I/O15)
Read Lower Byte Only
LH
L
H
High-Z (I/O0 - I/O7)
DATAOUT (I/O8 - I/O15)
Read Upper Byte Only
LL
X
L
DATAIN (I/O0 - I/O15)
Write Upper and Lower Bytes
LL
X
H
L
DATAIN (I/O0 - I/O7)
High-Z (I/O8 - I/O15)
Write Lower Byte Only
LL
X
L
H
High-Z (I/O0 - I/O7)
DATAIN (I/O8 - I/O15)
Write Upper Byte Only
7146 tbl 02b
Absolute Maximum Ratings(1)
NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage
to the device. This is a stress rating only and functional operation of the device at these or any other conditions
above those indicated in the operational sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect reliability.
2. VTERM must not exceed VDDIOX + 0.5V for more than 25% of the cycle time or 10ns maximum, and is limited
to < 20mA for the period over VTERM = VDDIOX + 0.5V.
3. Ambient Temperature under DC Bias. No AC Conditions. Chip Deselected.
Symbol
Rating
Commercial
& Industrial
Unit
VTERM(2)
Terminal Voltage with
Respect to GND
-0.5 to VDDIOX +0.5
V
TBIAS(3)
Temperature Under Bias
-55 to +125
oC
TSTG
Storage Temperature
-65 to +150
oC
TJN
Junction Temperature
+150
oC
IOUT
DC Output Current
20
mA
7146 tbl 03
Truth Table II: Standard SRAM Interface Read/Write Control
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| 70P249L65BYGI8 | 功能描述:靜態(tài)隨機存取存儲器 Low Power Dual-Port RAM IC RoHS:否 制造商:IDT 存儲容量: 組織: 訪問時間: 電源電壓-最大: 電源電壓-最小: 最大工作電流: 最大工作溫度: 最小工作溫度: 安裝風格: 封裝 / 箱體: 封裝: |
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