improve datasheet with logo and date
diff --git a/datasheet.pdf b/datasheet.pdf
index 0a0618f..e3277c5 100644
--- a/datasheet.pdf
+++ b/datasheet.pdf
Binary files differ
diff --git a/doc_header.md b/doc_header.md
index c990566..e1d375b 100644
--- a/doc_header.md
+++ b/doc_header.md
@@ -1,6 +1,10 @@
 ---
-title: "Tiny Tapeout 02 Datasheet"
-subtitle: Automatically generated at [https://github.com/TinyTapeout/tinytapeout-02](https://github.com/TinyTapeout/tinytapeout-02)
+title: |
+  ![](ttlogo.png){width=15cm}  
+    Tiny Tapeout 02 Datasheet
+subtitle: Project Repository [https://github.com/TinyTapeout/tinytapeout-02](https://github.com/TinyTapeout/tinytapeout-02)
+documentclass: scrartcl
+date: \today{}
 geometry: margin=2cm
 fontsize: 14pt
 mainfont: Latin Modern Sans
@@ -12,7 +16,7 @@
 
 \pagebreak
 
-# Full GDS
+# Render of whole chip
 
 ![Full GDS](tinytapeout.png)
 
diff --git a/ttlogo.png b/ttlogo.png
new file mode 100644
index 0000000..e231dd4
--- /dev/null
+++ b/ttlogo.png
Binary files differ