How do the AMD (Xilinx) AMD (Xilinx) AM27S Series variants differ?

AMD (Xilinx) AM27S Series part numbers differ by access time, frame_size, memory format and memory organization. Use the selection guide above to pick by access time.

How many AMD (Xilinx) AMD (Xilinx) AM27S Series part numbers are listed?

14 AMD (Xilinx) AMD (Xilinx) AM27S Series part numbers are listed, each with specifications and a datasheet where available.

AMD (Xilinx) AM27S Series

14 variants · AMD (Xilinx)

About the AMD (Xilinx) AMD (Xilinx) AM27S Series series

The AMD (Xilinx) AMD (Xilinx) AM27S Series series groups 14 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common interface_type of Parallel, package_type of Bulk and supply_voltage_v of 4.5. Variants differ by access time, frame_size and memory format, so you can match the exact access time your application requires using the selection guide below.

Select a variant by

Access time: 28 ns · 30 ns · 35 ns · 40 ns · 45 ns · 50 ns · 65 ns · 70 ns
Frame_size: 4Kbit · 8Kbit · 16Kbit · 64bit
Memory format: PROM · RAM
Memory organization: 1K x 8 · 2K x 8 · 16 x 4 · 512 x 8
Memory_type: Non-Volatile · Volatile
Mounting_type: Surface Mount · Through Hole
Operating temperature high: -55°C to 125°C (TA) · -55°C to 125°C (TC) · -55°C to 125°C(TC)

Variant comparison

Parameter	AM27S181A/BUA	AM27S191SA/BKA	AM27S25A/B3A	AM27S37A/BUA	AM27S37/BUA	AM27S45A/BKA
Access time	50 ns	30 ns	35 ns	40 ns	45 ns	45 ns
Frame_size	8Kbit	16Kbit	4Kbit	8Kbit	8Kbit	16Kbit
Memory format	PROM	PROM	PROM	PROM	PROM	PROM
Memory organization	1K x 8	2K x 8	512 x 8	1K x 8	1K x 8	2K x 8
Memory_type	Non-Volatile	Non-Volatile	Non-Volatile	Non-Volatile	Non-Volatile	Non-Volatile
Mounting_type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating temperature high	-55°C to 125°C(TC)	-55°C to 125°C(TC)	-55°C to 125°C (TC)	-55°C to 125°C(TC)	-55°C to 125°C (TC)	-55°C to 125°C(TC)

Shared specifications

Interface_type: Parallel
Package_type: Bulk
Supply_voltage_v: 4.5

Request a quote on any AMD (Xilinx) AM27S Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the AMD (Xilinx) AMD (Xilinx) AM27S Series variants differ?: AMD (Xilinx) AM27S Series part numbers differ by access time, frame_size, memory format and memory organization. Use the selection guide above to pick by access time.
How many AMD (Xilinx) AMD (Xilinx) AM27S Series part numbers are listed?: 14 AMD (Xilinx) AMD (Xilinx) AM27S Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for AMD (Xilinx) AMD (Xilinx) AM27S Series?: Request a quote (RFQ) for any AMD (Xilinx) AM27S Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.