TM16EN64HPU Datasheet, PDF (1/21 Pages) Texas Instruments – SYNCHRONOUS DYNAMIC RAM MODULES

TM16EN64HPU, TM16EN64LPU 16ā777ā216 BY 64ĆBIT
TM16EN72HPU, TM16EN72LPU 16ā777ā216 BY 72ĆBIT
EXTENDEDĆDATAĆOUT DYNAMIC RAM MODULES
SMMS695A − AUGUST 1997 − REVISED NOVEMBER 1997
D Organization
− TM16EN64xPU-xx . . . 16 777 216 × 64 Bits
− TM16EN72xPU-xx . . . 16 777 216 × 72 Bits
D Single 3.3-V Power Supply
(±10% Tolerance)
D JEDEC 168-Pin Dual-In-Line Memory
Module (DIMM) Without Buffer for Use With
Socket
D TM16EN64HPUxx — Utilizes Sixteen
64M-Bit High-Speed (16M × 4-Bit) Dynamic
RAMs
D TM16EN72HPUxx — Utilizes Eighteen
64M-Bit High-Speed (16M × 4-Bit) Dynamic
RAMs
D High-Speed, Low-Noise LVTTL Interface
D High-Reliability 32-Lead 300-Mil-Wide
Surface-Mount Thin Small-Outline Package
(TSOP) (DGC Suffix)
D Long Refresh Periods:
− TM16ENxxHPU: 64 ms (4 096 Cycles)
− TM16ENxxLPU: 64 ms (8 192 Cycles)
D 3-State Output
D Extended-Data-Out (EDO) Operation With
CAS-Before-RAS (CBR), RAS-Only, and
Hidden Refresh
D Serial Presence-Detect (SPD) Using
EEPROM
D Ambient Temperature Range
0°C to 70°C
D Gold-Plated Contacts
D Performance Ranges
ACCESS ACCESS ACCESS EDO
TIME
TIME TIME CYCLE
tRAC
(MAX)
tCAC
tAA tHPC
(MAX) (MAX) (MIN)
’16ENxxxPU-40 40 ns
11 ns 20 ns 16 ns
’16ENxxxPU-50 50 ns
13 ns 25 ns 20 ns
’16ENxxxPU-60 60 ns
15 ns 30 ns 25 ns
description
The TM16EN64HPU is a 128M-byte, 168-pin, dual-in-line memory module (DIMM). The DIMM is composed
of sixteen TMS465409, 16777 216 × 4-bit 4K-refresh EDO dynamic random-access memories (DRAMs), each
in a 400-mil, 32-pin plastic thin small-outline package (TSOP) (DGC suffix) mounted on a substrate with
decoupling capacitors. See the TMS465409 data sheet (literature number SMKS895).
The TM16EN64LPU is a 128M-byte, 168-pin DIMM. The DIMM is composed of eighteen TMS464409,
16 777 216 × 4-bit 8K-refresh EDO dynamic random-access memories (DRAMs), each in a 400-mil, 32-pin
plastic TSOP (DGC suffix) mounted on a substrate with decoupling capacitors. See the TMS465409 data sheet
(literature number SMKS895).
The TM16EN72HPU is a 128M-byte, 168-pin DIMM. The DIMM is composed of eighteen TMS465409,
16 777 216 × 4-bit 4K-refresh EDO dynamic random-access memories (DRAMs), each in a 400-mil, 32-pin
plastic TSOP (DGC suffix) mounted on a substrate with decoupling capacitors. See the TMS465409 data sheet
(literature number SMKS895).
The TM16EN72LPU is a 128M-byte, 168-pin DIMM. The DIMM is composed of eighteen TMS464409, 4194 309
× 4-bit 8K-refresh EDO dynamic random-access memories (DRAMs), each in a 400-mil, 32-pin plastic TSOP
(DGC suffix) mounted on a substrate with decoupling capacitors. See the TMS465409 data sheet (literature
number SMKS895).
operation
The TM16EN64xPU operates as sixteen TMS46x409s that are connected as shown in the TM16EN64xPU
functional block diagram. The TM16EN72xPU operates as eighteen TMS46x409s that are connected as shown
in the TM16EN72xPU functional block diagram.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
Copyright  1997, Texas Instruments Incorporated
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