HIGH SPEED 1K x 8 DUAL-PORT STATIC SRAM
HIGH SPEED 1K X 8 DUAL-PORT STATIC SRAM
IDT7130SA/LA IDT7140SA/LA
LEAD FINISH (SnPb) ARE IN EOL PROCESS - LAST TIME BU...
Description
HIGH SPEED 1K X 8 DUAL-PORT STATIC SRAM
IDT7130SA/LA IDT7140SA/LA
LEAD FINISH (SnPb) ARE IN EOL PROCESS - LAST TIME BUY EXPIRES JUNE 15, 2018
Features
◆ High-speed access – Commercial: 20/25/35/55/100ns (max.) – Industrial: 25/55/100ns (max.) – Military: 25/35/55/100ns (max.)
◆ Low-power operation – IDT7130/IDT7140SA — Active: 550mW (typ.) — Standby: 5mW (typ.) – IDT7130/IDT7140LA — Active: 550mW (typ.) — Standby: 1mW (typ.)
◆ MASTER IDT7130 easily expands data bus width to 16-ormore-bits using SLAVE IDT7140
◆ On-chip port arbitration logic (IDT7130 Only) ◆ BUSY output flag on IDT7130; BUSY input on IDT7140 ◆ INT flag for port-to-port communication ◆ Fully asynchronous operation from either port ◆ Battery backup operation–2V data retention (LA only) ◆ TTL-compatible, single 5V ±10% power supply ◆ Military product compliant to MIL-PRF-38535 QML ◆ Industrial temperature range (–40°C to +85°C) is available
for selected speeds ◆ Available in 48-pin DIP, LCC and Ceramic Flatpack, 52-pin
PLCC, and 64-pin STQFP and TQFP ◆ Green parts available, see ordering information
Functional Block Diagram
OEL CEL R/WL
OER CER R/WR
I/O0L- I/O7L
BUSYL(1,2) A9L A0L
I/O Control
I/O Control
Address Decoder
10
CEL OEL R/WL
MEMORY ARRAY
ARBITRATION and
INTERRUPT LOGIC
Address Decoder
10
CER OER R/WR
,
I/O0R-I/O7R
BUSYR(1,2) A9R A0R
INTL(2)
NOTES: 1. IDT7130 (MASTER): BUSY is open drain output and requires pullup resistor.
IDT7140 (SLAVE): BUSY is input. 2. Open drain output: requires pul...
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