Document
CXK5T81000ATM/AYM/AM -10LLX/12LLX
131072-word × 8-bit High Speed CMOS Static RAM
Description The CXK5T81000ATM/AYM/AM is a high speed CMOS static RAM organized as 131072-words by 8-bits. Special feature are low power consumption and high speed. The CXK5T81000ATM/AYM/AM is a suitable RAM for portable equipment with battery back up. Features • Extended operating temperature range: –25 to +85°C • Wide supply voltage range operation: 2.7 to 3.6V • Fast access time: (Access time) 3.0V operation -10LLX 100ns (Max.) -12LLX 120ns (Max.) 3.3V operation -10LLX 85ns (Max.) -12LLX 100ns (Max.) • Low standby current: 28µA (Max.) • Low data retention current: 24µA (Max.) • Low voltage data retention: 2.0V (Min.) • Package line-up CXK5T81000ATM/AYM 8mm × 20mm 32 pin TSOP package CXK5T81000AM 525mil 32 pin SOP package Function 131072-word × 8-bit static RAM Structure Silicon gate CMOS IC CXK5T81000ATM 32 pin TSOP (Plastic)
Preliminary
CXK5T81000AYM 32 pin TSOP (Plastic)
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CXK5T81000AM 32 pin SOP (Plastic)
Block Diagram
A10 A11 A9 A8 A13 A15 A16 A14 A12 A7
Buffer
Row Decoder
Memory Matrix 1024 × 1024
VCC
GND
A6 A5 A4 A3 A2 A1 A0 OE
Buffer
I/O Gate Column Decoder
Buffer WE CE1 CE2 I/O Buffer I/O1 I/O8
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PE96324-ST
CXK5T81000ATM/AYM/AM
Pin Configuration (Top View)
A11 A9 A8 A13 WE CE2 A15 VCC NC A16 A14 A12 A7 A6 A5 A4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
Pin Description
OE A10 CE1 I/O8 I/O7 I/O6 I/O5 I/O4 GND I/O3 I/O2 I/O1 A0 A1 A2 A3 NC A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
VCC A15 CE2 WE A13 A8 A9 A11 OE A10 CE1 I/O8 I/O7 I/O6 I/O5 I/O4
Symbol A0 to A16 I/O1 to I/O8 CE1, CE2 WE OE VCC GND NC
Description Address input Data input output Chip enable 1, 2 input Write enable input Output enable input Power supply Ground No connection
CXK5T81000ATM (Standard Pinout)
A4 A5 A6 A7 A12 A14 A16 NC VCC A15 CE2 WE A13 A8 A9 A11
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
CXK5T81000AYM (Mirror Image Pinout)
A3 A2 A1 A0 I/O1 I/O2 I/O3 GND I/O4 I/O5 I/O6 I/O7 I/O8 CE1 A10 OE
I/O1 I/O2 I/O3 GND
CXK5T81000AM
Absolute Maximum Ratings Item Supply voltage Input voltage Input and output voltage Allowable power dissipation Operating temperature Storage temperature Soldering temperature · time Symbol VCC VIN VI/O PD Topr Tstg Tsolder
(Ta = 25°C, GND = 0V) Rating –0.5 to +4.6 –0.5∗1 to VCC + 0.5 –0.5∗1 to VCC + 0.5 0.7 –25 to +85.