IDT7038L
High-Speed 64K x 18 Dual-Port Static RAM
Truth Table I: Chip Enable (1,2)
Industrial and Commercial Temperature Ranges
CE
L
H
CE 0
V IL
< 0.2V
V IH
X
>V CC -0.2V
X
CE 1
V IH
>V CC -0.2V
X
V IL
X
<0.2V
Port Selected (TTL Active)
Port Selected (CMOS Active)
Port Deselected (TTL Inactive)
Port Deselected (TTL Inactive)
Port Deselected (CMOS Inactive)
Port Deselected (CMOS Inactive)
Mode
4837 tbl 06
NOTES:
1. Chip Enable references are shown above with the actual CE 0 and CE 1 levels, CE is a reference only.
2. 'H' = V IH and 'L' = V IL .
3. CMOS standby requires 'X' to be either < 0.2V or > V CC - 0.2V.
Truth Table II: Non-Contention Read/Write Control
Inputs (1)
Outputs
CE (2)
H
X
L
L
L
L
L
L
X
R/ W
X
X
L
L
L
H
H
H
X
OE
X
X
X
X
X
L
L
L
H
UB
X
H
L
H
L
L
H
L
X
LB
X
H
H
L
L
H
L
L
X
SEM
H
H
H
H
H
H
H
H
X
I/O 9-17
High-Z
High-Z
DATA IN
High-Z
DATA IN
DATA OUT
High-Z
DATA OUT
High-Z
I/O 0-8
High-Z
High-Z
High-Z
DATA IN
DATA IN
High-Z
DATA OUT
DATA OUT
High-Z
Mode
Deselected: Power-Down
Both Bytes Deselected
Write to Upper Byte Only
Write to Lower Byte Only
Write to Both Bytes
Read Upper Byte Only
Read Lower Byte Only
Read Both Bytes
Outputs Disabled
NOTES:
1. A 0L – A 15L ≠ A 0R – A 15R.
2. Refer to Chip Enable Truth Table.
Truth Table III: Semaphore Read/Write Control (1)
4837 drw 07
Inputs (1)
Outputs
CE (2)
H
X
H
X
L
L
R/ W
H
H
X
X
OE
L
L
X
X
X
X
UB
X
H
X
H
L
X
LB
X
H
X
H
X
L
SEM
L
L
L
L
L
L
I/O 9-17
DATA OUT
DATA OUT
DATA IN
DATA IN
______
______
I/O 0-8
DATA OUT
DATA OUT
DATA IN
DATA IN
______
______
Mode
Read Data in Semaphore Flag
Read Data in Semaphore Flag
Write I/O 0 into Semaphore Flag
Write I/O 0 into Semaphore Flag
Not Allowed
Not Allowed
NOTES:
1. There are eight semaphore flags written to via I/O 0 and read from all the I/Os (I/O 0 -I/O 17 ). These eight semaphore flags are addressed by A 0 -A 2 .
2. Refer to Chip Enable Truth Table.
4
4837 tbl 08
相关PDF资料
IDT7052L20G IC SRAM 16KBIT 20NS 108PGA
IDT7054L20G IC SRAM 32KBIT 20NS 108PGA
IDT709089L9PF IC SRAM 512KBIT 9NS 100TQFP
IDT709099L9PFI IC SRAM 1MBIT 9NS 100TQFP
IDT709149S10PFI IC SRAM 36KBIT 10NS 80TQFP
IDT70914S12PF IC SRAM 36KBIT 12NS 80TQFP
IDT709169L7BFI IC SRAM 144KBIT 7NS 100FBGA
IDT709279L9PFG IC SRAM 512KBIT 9NS 100TQFP
相关代理商/技术参数
IDT7038L15PFG8 制造商:Integrated Device Technology Inc 功能描述:IC SRAM 1.125MBIT 15NS 100TQFP
IDT7038L20PF 功能描述:IC SRAM 1.125MBIT 20NS 100TQFP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:1,000 系列:- 格式 - 存储器:RAM 存储器类型:SRAM - 双端口,同步 存储容量:1.125M(32K x 36) 速度:5ns 接口:并联 电源电压:3.15 V ~ 3.45 V 工作温度:-40°C ~ 85°C 封装/外壳:256-LBGA 供应商设备封装:256-CABGA(17x17) 包装:带卷 (TR) 其它名称:70V3579S5BCI8
IDT7038L20PF8 功能描述:IC SRAM 1.125MBIT 20NS 100TQFP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:1,000 系列:- 格式 - 存储器:RAM 存储器类型:SRAM - 双端口,同步 存储容量:1.125M(32K x 36) 速度:5ns 接口:并联 电源电压:3.15 V ~ 3.45 V 工作温度:-40°C ~ 85°C 封装/外壳:256-LBGA 供应商设备封装:256-CABGA(17x17) 包装:带卷 (TR) 其它名称:70V3579S5BCI8
IDT7038L20PFGI 制造商:Integrated Device Technology Inc 功能描述:IC SRAM 1.125MBIT 20NS 100TQFP
IDT7038L20PFGI8 制造商:Integrated Device Technology Inc 功能描述:IC SRAM 1.125MBIT 20NS 100TQFP
IDT7038L20PFI 功能描述:IC SRAM 1.125MBIT 20NS 100TQFP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:3,000 系列:- 格式 - 存储器:EEPROMs - 串行 存储器类型:EEPROM 存储容量:8K (1K x 8) 速度:400kHz 接口:I²C,2 线串口 电源电压:1.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 封装/外壳:8-SOIC(0.154",3.90mm 宽) 供应商设备封装:8-SOIC 包装:带卷 (TR)
IDT7038L20PFI8 功能描述:IC SRAM 1.125MBIT 20NS 100TQFP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:1,000 系列:- 格式 - 存储器:RAM 存储器类型:SRAM - 双端口,同步 存储容量:1.125M(32K x 36) 速度:5ns 接口:并联 电源电压:3.15 V ~ 3.45 V 工作温度:-40°C ~ 85°C 封装/外壳:256-LBGA 供应商设备封装:256-CABGA(17x17) 包装:带卷 (TR) 其它名称:70V3579S5BCI8
IDT70504M 制造商:THE BOEING COMPANY DBA IN 功能描述: